KEY POINTS FOR NUMERICAL SIMULATION OF INCLINATION OF BUILDINGS ON LIQUEFIABLE SOIL LAYERS
|
|
- Mercy Bond
- 5 years ago
- Views:
Transcription
1 KY POINTS FOR NUMRICAL SIMULATION OF INCLINATION OF BUILDINGS ON LIQUFIABL SOIL LAYRS Jn Xu 1, Xaomng Yuan, Jany Zhang 3,Fanchao Meng 1 1 Student, Dept. of Geotechncal ngneerng, Inttute of ngneerng Mechanc, Harbn. Chna Profeor, Dept. of Geotechncal ngneerng, Inttute of ngneerng Mechanc, Harbn. Chna 3 Atant, Dept. of Geotechncal ngneerng, Inttute of Dater Preventon Scence and Technology, Sanhe. Chna mal: jxu86@gmal.com, yxmem@163.com, b53@163.com, emmfc@163.com ABSTRACT : The earthquake-nduced aymmetrcal ettlement of buldng on aturated ol layer one of the typcal phenomena n earthquake damage, whch wll lead to the nclnaton and the functon lo of the buldng. Developng numercal method for mulatng the lquefacton-nduced uneven ettlement of the buldng gnfcant for emc degn of buldng and engneerng dater reducton. However, mot reearche are focued on the mechanm of lquefacton and aement of lquefacton potental or the lateral preadng of lquefacton. The correpondng numercal mulaton method for the lquefacton-nduced uneven ettlement of the buldng are few. The reaon that the phycal proce of the problem not well undertood and the key pont for analyzng tll are not attaned. To earch for the key pont of the potental numercal method for calculatng the buldng nclnaton due to ol lquefacton, the relatonhp of the nputtng wave, the vertcal dynamc tree, the pore water preure and the buldng ettlement nvetgated by the hakng table tet n the paper. The tetng reult ndcate: (1) The pore water preure model ued n the potental method mut be utable for mulatng the proce of water preure rng durng the rregular load and can exactly calculate the dfference of the pore water preure under the ncdent load wth ame peak ampltude but dfferent form; () The pore water preure model hould be able to decrbe the pore water preure varaton due to the anotropc property of ol and can dtnguh the dfference of the water preure due to the compreon and extenon tree; (3) The pore water preure model hould be able to calculate the effect of the conoldaton rato on the pore water preure varaton and can attan the actual proce of water preure for the ol below the buldng; (4) The potental method hould be able to follow the track of the deformaton proce of the ol layer wth the ncreang of the pore water preure. KYWORDS: Lquefacton, Buldng, Inclnaton, Calculaton Method 1. INTRODUCTION The former reearch of ettlement on lquefable ol layer concernng the mpact of emc wave manly ued the method of equvalent range, whch mean takng.6 tme of the emc wave peak value a the range of mple harmonc wave. However, the mechanm of earthquake-nduced dfferental ettlement of buldng actually the ynergtc effect of everal mpact factor uch a foundaton ol layer, load dtrbuted on buldng, and nput of emc wave, among whch the mpact of aymmetry and rregularty of emc wave unneglectable. S.J. Meng ha ytematcally analyzed the mpact of emc wave on dfferental ettlement on clay layer, put forward a method that could analyze the dfferental ettlement concernng tme-htory repone of clay, and verfed by hakng table tet. R. Sun propoed a pore preure model that could alo reflect the tme-htory repone, and the relablty wa verfed by dynamc traxal tet. All thee reearch make poble analyzng the earthquake-nduced dfferental ettlement of buldng on lquefable and layer under earthquake wave.
2 Th paper apple the pore preure model propoed by Sun. Meanwhle baed on the relatonhp between pore preure varaton and and module varaton caued by pore preure propoed by W.L. Feng, the equaton about and module oftenng caued by pore preure ncreae, whch could reflect the tme-htory repone under rregularty effect, wa deduced and appled n the calculaton of dfferental ettlement.. TH MTHOD OF CALCULATING DIFFRNTIAL STTLMNTS ON SAND LAYRS.1. Pore Water Preure Model The pore preure model ued n th paper propoed by Sun. u u u 1,,... M 1 A C1, 4, C1, b u 1 C1, k 1 a c C, ( N ) eq The equvalent cycle number Where (.1) j j (.) N eq u the accumulated pore preure rato after the ()th tre cycle, u 1 the accumulated pore preure rato after the (-1)th tre cycle, u ncrement caued by the ()th tre cycle, the ()th effectve hear tre rato, C1, a, C1, b, A4,, C1,, C, are tet parameter, for the tuaton of looe, md-dene, and dene and, C 1,a are.38,.8, and.5, repectvely, C 1,b are.55,.47 and.38, repectvely. Th model could reflect the mpact of both dfferent conoldaton rato and rregular effect on the ncreae of pore preure... Varaton of Compreon Module along wth Varaton of Pore Water Accordng to Feng, the hear module C3 G A max 1 C3 (.3) N G G max N max N1 N 1 Where average effectve normal tre, C 3 tet parameter. Accordng to the relatonhp between compreon module and hear module G(1 ) (.4) Aumng that the total tre contant durng the proce of lquefacton, thu from (.3) and (.4) C3 C3 1 u 1 1 (.5) 1 u 1 1 u, baed on Z.J. Sh crtcal value When a certan and element determned havng lquefed, that 1. concept, for and, Thu, at th tme GLq Lq.15G (.6) max.15 (.7) Integrate (.5) and (.7), the relatonhp of the varaton of compreon module along wth the varaton of pore water
3 C3 1 u ( u 1) 1 1 u 1.15 ( u 1) (.8).3. Overall Flow and Calculatng Step Th paper mplfe the and-tructure ytem a a two-dmenonal problem, combned the earthquake-nduced dfferental ettlement analye wth the tatc and dynamc fnte element analy. The ntal tre tate of every ngle element can be acqured from tatc analy, whle the dynamc tre can be acqured from dynamc analy. A calculatng method can be gven by combnng the element dynamc tre wth the pore water preure model that ft for the rregular effect, alo atng wth the relatonhp of and element module decreae caued by lquefacton. The overall flow and calculatng tep are hown n fgure 1. Statc tet: Determne the ecant module varyng wth tre varaton Pore preure calculaton: Calculatng the pore preure of every element wth a adapted pore preure model Dynamc tet: Determne the module rato, dampng rato varyng wth tran varaton Statc fnte element analy (I): Determne the tatc prncpal tre, and conoldaton rato K of 1 3 c and element; calculate the dplacement U of every node and whch coordnated wth tran Dynamc fnte element analy: Determne the tme-htory baed dynamc prncpal tre; dcrete tme a actng number d ( 1, N) N total number. Module varaton of every element caued by pore preure ncreae: C3 1 u 1 ( u 1) 1 u 1.15 ( u 1) Statc fnte element analy (II): Determne the dplacement U of every node, and the ettlement U ( 1, ) p U U N Output the ettlement value and dfferental ettlement value after every acton Fgure 1 Overall flow and calculatng tep 3. NUMRICAL SIMULATION TST In th paper the computer program compled by Fortran Language ued, mulatng dfferent workng condton. Aume the foundaton and unform dtrbuted, and the load acted on the buldng are equvalent. Conder two workng condton: nput wave are (1) ne wave and () l Centro wave, hown n fgure. The calculatng model of and-tructure ytem hown n fgure 3. Th paper manly nvetgate
4 a a repone of two ymmetrc poton, namely NO.17 and NO.179 element n fgure 3. The calculatng parameter are hown n table 3.1 and table (m) Fgure Waveform of nput wave (m) Fgure 3 Model of and-tructure ytem 4. CALCULATION AND ANALYSIS The output reult are a lot, among whch th paper concern are three type of data: (1) The pore preure varaton of two ymmetrc poton (NO.17 and NO.179 element); () The module varaton of two ymmetrc poton; (3) The ettlement of two ymmetrc poton. Sol type K a (kpa) Table 3.1 Statc calculatng parameter Duncan parameter Lquefacton parameter Ф C n R (deg) (kpa) f C 1,a C 1,b C 1, C, A 4, Md-dene and Intal max hear module(kpa) Denty(g/cm 3 ) Md-dene and Brck Concrete Md-dene and Brck Concrete
5 Table 3. Dynamc calculatng parameter Shear Poon tran rato Sol type Module rato Sand Sand Buldng Brck Dampng rato. Sand concrete Buldng Input Sne Wave Two tet are executed, the range of nput wave are hown n fgure 4, 5, 6, and 7..1 / m,. / m, repectvely. The reult are In fgure 4 and 5 the and ha not lquefed yet, the pore preure ncreae and the module decreae of the two ymmetrc poton are ymmetrc; the foundaton ettlement are unform, too. Whle n fgure 6 and 7 the and ha already lquefed, however the pore preure ncreae and the module decreae of the two ymmetrc poton are tll ymmetrc, the module ha decreaed to about 1/8 of the ntal module, the foundaton ettlement are tll unform, too. 18. u/ Fgure 4 Left element repone under nput range m/ 18. u/ Fgure 5 Rght element repone under nput range m/ 4.. Input l Centro Wave Three tet are executed, the peak of nput wave are reult are hown n fgure 8, 9, 1, 11, 1, and / m,.7 / m,.1 / m repectvely. The In fgure 8 and 9 the and ha not lquefed nce the earthquake acceleraton mall. However the pore preure ncreae and the module decreae of the two ymmetrc poton preent the trend of aymmetrc, the foundaton ettlement are obvou uneven. In fgure 1 and 11, the left of the two ymmetrc poton the and ha lquefed, whle the rght one ha not. Both of the pore preure ncreae and the module decreae of the two
6 ymmetrc poton preent obvou aymmetrc, the foundaton ettlement are epecally notable. In fgure 1 and 13, both of the two ymmetrc poton have lquefed. Becaue the pore preure rato ncreae harply and mmedately reache 1., along wth the module decreae to 1/8 of the ntal module, the pore preure ncreae and the module decreae of the two ymmetrc poton preent eem ymmetrc agan. However the foundaton ettlement retan aymmetrc nce the tme-htory baed repone dfferent. The value of ettlement much more than whch before lquefacton, and wll go on ncreang harply along wth the ncreae of earthquake acceleraton. 18 u/ Fgure 6 Left element repone under nput range m/ u/ Fgure 7 Rght element repone under nput range m/ 4.3. Data Contrat and Analy Through the contrat of two group of numercal mulaton tet above the reult apparent. When the nput wave ymmetrc, the reacton of and foundaton, ncludng pore preure and ettlement, ymmetrc; When the nput wave obvou aymmetrc, the reacton of and foundaton not ymmetrc ether, and the ettlement wll be uneven due to the uneven ncreae of pore preure. In th paper n order to clearly analyze the tme-htory baed ol element reacton and the relaton between t and the dfferental ettlement, the acceleraton of nput wave are mall. Actually when the earthquake acceleraton large, the foundaton and layer wll be lquefed n a hort tme, and the ettlement wll be apparently uneven nce the dfferent ncreae progre of pore preure. 5. CONCLUSION (1) The pore water preure model ued n th paper and the equaton about and module varaton along wth the pore preure varaton deduced by th paper can uccefully preent the tme-htory repone of ol, and are adapted for the calculaton of dfferental ettlement of buldng. () The fnte element method ued n th paper can effectvely calculate the tme-htory repone of ol and ettlement, whch ft for any knd of nput wave, no matter ymmetrc or aymmetrc. (3)For the buldng on whch load are equvalent and the foundaton ol layer alo unform dtrbuted, t tll poble to appear the dfferental ettlement. Whether t happen related to the waveform and peak value of nput wave. When the nput wave ne wave, whch
7 unform, the reacton of and foundaton ymmetrc, o are the ettlement. When the nput wave aymmetrc, the reacton of and foundaton alo aymmetrc, leadng to the dfferental ettlement. u/ Fgure 8 Left element repone under nput peak.5 m/ u/ Fgure 9 Rght element repone under nput peak m/ u/ Fgure 1 Left element repone under nput peak m/ 18. u/ Fgure 11 Rght element repone under nput peak m/
8 18 u/ Fgure 1 Left element repone under nput peak -4.1 m/ u/ Fgure 13 Rght element repone under nput peak m/ RFRNCS [1] S.J. Meng. (). Study on Redual Deformaton of Sol under Irregular Dynamc Loadng and arthquake-nduced Dfferental Settlement of Buldng. Doctoral Dertaton. [] R. Sun. (6). Study on Semc Ground Moton on Lquefable Sol Layer and Ste Lquefacton Detecton. Doctoral Dertaton. [3] W.L. Feng, Z.J. Sh. (1987). Pore water preure analy method of nvetgatng horzontal ol layer lquefacton potental. Reearch Report of Inttute of ngneerng Mechanc. [4] S.J. Meng, X.M. Yuan. (4). Analy of nfluence factor for earthquake-nduced dfferental ettlement of buldng. arthquake ngneerng and ngneerng Vbraton 4:1, [5] X.M. Yuan, R. Sun, S.J. Meng. (3). ffect of aymmetry and rregularty of emc wave on earthquake-nduced dfferental ettlement of buldng on natural ubol. Sol Dynamc and arthquake ngneerng 3:, ACKNOWLDGMNT Th reearch wa upported by the Specal tem for Fundamental centfc reearch outlay of Natonal Commonweal Inttute, Grant No.6B3, and Natonal Natural Scence Foundaton of Chna, Grant No Th upport gratefully acknowledged.
728. Mechanical and electrical elements in reduction of vibrations
78. Mechancal and electrcal element n reducton of vbraton Katarzyna BIAŁAS The Slean Unverty of Technology, Faculty of Mechancal Engneerng Inttute of Engneerng Procee Automaton and Integrated Manufacturng
More informationWind - Induced Vibration Control of Long - Span Bridges by Multiple Tuned Mass Dampers
Tamkang Journal of Scence and Engneerng, Vol. 3, o., pp. -3 (000) Wnd - Induced Vbraton Control of Long - Span Brdge by Multple Tuned Ma Damper Yuh-Y Ln, Ch-Mng Cheng and Davd Sun Department of Cvl Engneerng
More informationChapter 3. Estimation of Earthquake Load Effects
Chapter 3. Estmaton of Earthquake Load Effects 3.1 Introducton Sesmc acton on chmneys forms an addtonal source of natural loads on the chmney. Sesmc acton or the earthquake s a short and strong upheaval
More informationLateral stresses caused by uniform rectangular area loads on a cross-anisotropic backfill
Wang, C. D. (). Géotechnque 5, No. 9, 5 [do:./geot..5.9.5] TECHNICAL NOTE Lateral tree caued by unform rectangular area load on a cro-anotropc backfll C. D. WANG* KEYWORDS: anotropy; degn; earth preure;
More informationSmall signal analysis
Small gnal analy. ntroducton Let u conder the crcut hown n Fg., where the nonlnear retor decrbed by the equaton g v havng graphcal repreentaton hown n Fg.. ( G (t G v(t v Fg. Fg. a D current ource wherea
More informationPROBABILITY-CONSISTENT SCENARIO EARTHQUAKE AND ITS APPLICATION IN ESTIMATION OF GROUND MOTIONS
PROBABILITY-COSISTET SCEARIO EARTHQUAKE AD ITS APPLICATIO I ESTIATIO OF GROUD OTIOS Q-feng LUO SUARY Th paper preent a new defnton of probablty-content cenaro earthquae PCSE and an evaluaton method of
More informationChapter 6 The Effect of the GPS Systematic Errors on Deformation Parameters
Chapter 6 The Effect of the GPS Sytematc Error on Deformaton Parameter 6.. General Beutler et al., (988) dd the frt comprehenve tudy on the GPS ytematc error. Baed on a geometrc approach and aumng a unform
More informationAssessment of Site Amplification Effect from Input Energy Spectra of Strong Ground Motion
Assessment of Ste Amplfcaton Effect from Input Energy Spectra of Strong Ground Moton M.S. Gong & L.L Xe Key Laboratory of Earthquake Engneerng and Engneerng Vbraton,Insttute of Engneerng Mechancs, CEA,
More informationMODEL OF CEMENTING ANNULUS GAS CHANNELING BASED ON THE LATTICE BOLTZMANN THEORY
Journal of Theoretcal and Appled Informaton Technology 20 th February 203. Vol. 48 No.2 2005-203 JATIT & LLS. All rght reerved. ISSN: 2-8645 www.jatt.org E-ISSN: 87-35 MODEL OF CEMENTING ANNULUS GAS CHANNELING
More informationOn the SO 2 Problem in Thermal Power Plants. 2.Two-steps chemical absorption modeling
Internatonal Journal of Engneerng Reearch ISSN:39-689)(onlne),347-53(prnt) Volume No4, Iue No, pp : 557-56 Oct 5 On the SO Problem n Thermal Power Plant Two-tep chemcal aborpton modelng hr Boyadjev, P
More informationBOUNDARY ELEMENT METHODS FOR VIBRATION PROBLEMS. Ashok D. Belegundu Professor of Mechanical Engineering Penn State University
BOUNDARY ELEMENT METHODS FOR VIBRATION PROBLEMS by Aho D. Belegundu Profeor of Mechancal Engneerng Penn State Unverty ahobelegundu@yahoo.com ASEE Fello, Summer 3 Colleague at NASA Goddard: Danel S. Kaufman
More informationModule 5. Cables and Arches. Version 2 CE IIT, Kharagpur
odule 5 Cable and Arche Veron CE IIT, Kharagpur Leon 33 Two-nged Arch Veron CE IIT, Kharagpur Intructonal Objectve: After readng th chapter the tudent wll be able to 1. Compute horzontal reacton n two-hnged
More informationPlastic Analysis and Design of Steel Plate Shear Walls
7 Platc Analy and Degn of Steel Plate Shear Wall Jeffrey Berman Department of Cvl, Structural & Envronmental Engneerng, Unverty at Buffalo Reearch Supervor: Mchel Bruneau, Profeor Summary A reved procedure
More informationDYNAMIC RESPONSE AND COLLAPSE OF COLUMN MODELS
3 t World Conference on Eartquae Engneerng Vancouver, B.C., Canada Augut -6, 4 Paper No. 5 DYNAMIC RESPONSE AND COLLAPSE OF COLUMN MODELS Fumng ZHANG SUMMARY A te collape of renforced concrete column attrbuted
More informationFEEDDBACK CONTROL OF PIEZO-LAMINATE COMPOSITE PLATE. Hafez Ave, Tehran 15914, Iran
ICSV14 Carn Autrala 9-12 July, 2007 FEEDDBACK CONTROL OF PIEZO-LAMINATE COMPOSITE PLATE A. Yelagh Tamjan 1, M. Abouhamze 1, R. Mrzaefar 1, A.R. Ohad 1, M.R. Elam 1 1 Department of Mechancal Engneerng,
More informationRoot Locus Techniques
Root Locu Technque ELEC 32 Cloed-Loop Control The control nput u t ynthezed baed on the a pror knowledge of the ytem plant, the reference nput r t, and the error gnal, e t The control ytem meaure the output,
More informationCHAPTER 9 LINEAR MOMENTUM, IMPULSE AND COLLISIONS
CHAPTER 9 LINEAR MOMENTUM, IMPULSE AND COLLISIONS 103 Phy 1 9.1 Lnear Momentum The prncple o energy conervaton can be ued to olve problem that are harder to olve jut ung Newton law. It ued to decrbe moton
More informationCHAPTER 5 NUMERICAL EVALUATION OF DYNAMIC RESPONSE
CHAPTER 5 NUMERICAL EVALUATION OF DYNAMIC RESPONSE Analytcal soluton s usually not possble when exctaton vares arbtrarly wth tme or f the system s nonlnear. Such problems can be solved by numercal tmesteppng
More informationStudy on Non-Linear Dynamic Characteristic of Vehicle. Suspension Rubber Component
Study on Non-Lnear Dynamc Characterstc of Vehcle Suspenson Rubber Component Zhan Wenzhang Ln Y Sh GuobaoJln Unversty of TechnologyChangchun, Chna Wang Lgong (MDI, Chna [Abstract] The dynamc characterstc
More informationTwo-Layered Model of Blood Flow through Composite Stenosed Artery
Avalable at http://pvamu.edu/aam Appl. Appl. Math. ISSN: 93-9466 Vol. 4, Iue (December 9), pp. 343 354 (Prevouly, Vol. 4, No.) Applcaton Appled Mathematc: An Internatonal Journal (AAM) Two-ayered Model
More informationMethod Of Fundamental Solutions For Modeling Electromagnetic Wave Scattering Problems
Internatonal Workhop on MehFree Method 003 1 Method Of Fundamental Soluton For Modelng lectromagnetc Wave Scatterng Problem Der-Lang Young (1) and Jhh-We Ruan (1) Abtract: In th paper we attempt to contruct
More informationA Preliminary Study on Material Utilization of Stiffened Cylindrical Shells
Reearch Journal of Appled Scence, Engneerng and echnology 6(5): 757-763, 03 ISSN: 040-7459; e-issn: 040-7467 Maxwell Scentfc Organzaton, 03 Submtted: December 8, 0 Accepted: February 08, 03 Publhed: Augut
More informationHarmonic oscillator approximation
armonc ocllator approxmaton armonc ocllator approxmaton Euaton to be olved We are fndng a mnmum of the functon under the retrcton where W P, P,..., P, Q, Q,..., Q P, P,..., P, Q, Q,..., Q lnwgner functon
More information8 Waves in Uniform Magnetized Media
8 Wave n Unform Magnetzed Meda 81 Suceptblte The frt order current can be wrtten j = j = q d 3 p v f 1 ( r, p, t) = ɛ 0 χ E For Maxwellan dtrbuton Y n (λ) = f 0 (v, v ) = 1 πvth exp (v V ) v th 1 πv th
More informationTHE EFFECT OF TORSIONAL RIGIDITY BETWEEN ELEMENTS ON FREE VIBRATIONS OF A TELESCOPIC HYDRAULIC CYLINDER SUBJECTED TO EULER S LOAD
Journal of Appled Mathematcs and Computatonal Mechancs 7, 6(3), 7- www.amcm.pcz.pl p-issn 99-9965 DOI:.75/jamcm.7.3. e-issn 353-588 THE EFFECT OF TORSIONAL RIGIDITY BETWEEN ELEMENTS ON FREE VIBRATIONS
More informationThe Tangential Force Distribution on Inner Cylinder of Power Law Fluid Flowing in Eccentric Annuli with the Inner Cylinder Reciprocating Axially
Open Journal of Flud Dynamcs, 2015, 5, 183-187 Publshed Onlne June 2015 n ScRes. http://www.scrp.org/journal/ojfd http://dx.do.org/10.4236/ojfd.2015.52020 The Tangental Force Dstrbuton on Inner Cylnder
More informationVerification of Selected Precision Parameters of the Trimble S8 DR Plus Robotic Total Station
81 Verfcaton of Selected Precon Parameter of the Trmble S8 DR Plu Robotc Total Staton Sokol, Š., Bajtala, M. and Ježko, J. Slovak Unverty of Technology, Faculty of Cvl Engneerng, Radlnkého 11, 81368 Bratlava,
More informationFREE VIBRATION ANALYSIS OF CLAMPED-FREE COMPOSITE CYLINDRICAL SHELLS WITH AN INTERIOR RECTANGULAR PLATE
FREE VIBRATION ANALYSIS OF CLAPED-FREE COPOSITE CYLINDRICAL SHELLS WITH AN INTERIOR RECTANGULAR PLATE Young-Shn Lee and young-hwan Cho Department of echancal Degn Engneerng, Chungnam Natonal Unverty, 0
More informationAdditional File 1 - Detailed explanation of the expression level CPD
Addtonal Fle - Detaled explanaton of the expreon level CPD A mentoned n the man text, the man CPD for the uterng model cont of two ndvdual factor: P( level gen P( level gen P ( level gen 2 (.).. CPD factor
More informationIrregular vibrations in multi-mass discrete-continuous systems torsionally deformed
(2) 4 48 Irregular vbratons n mult-mass dscrete-contnuous systems torsonally deformed Abstract In the paper rregular vbratons of dscrete-contnuous systems consstng of an arbtrary number rgd bodes connected
More informationMODIFIED GENERAL TRANSFER MATRIX METHOD FOR LINEAR ROTOR BEARING SYSTEMS , Dhenkanal, Orissa, India
IV arn Autrala 9- July, 007 Abtract MODIFIED GENERAL TRANFER MATRIX METHOD FOR LINEAR ROTOR BEARING YTEM B B Maharath, R R Dah and T Rout Department of Mechancal Engneerng, IGIT, arang 769 6, Dhenkanal,
More informationAn Investigation on the Variation of Mechanical Properties of Saturated Sand During Liquefaction
6 th Internatonal Conference on Earthquake Geotechncal Engneerng -4 November 25 Chrstchurch, New Zealand An Investgaton on the Varaton of Mechancal Propertes of Saturated Sand Durng Lquefacton Y-Y.Ko,
More informationPROBLEM OF LOW CYCLE FATIGUE OF TURBOMACHINES
PROBLEM OF LOW CYCLE FAIGUE OF URBOMACHINES Joury em*, Khakm Azmetov* and Alexander Fakeev* *Department of Mathematcal Smulaton, Central Inttute of Avaton Motor Keyword: thermomechancal fatgue, cyclc tre-tran
More information9.2 Seismic Loads Using ASCE Standard 7-93
CHAPER 9: Wnd and Sesmc Loads on Buldngs 9.2 Sesmc Loads Usng ASCE Standard 7-93 Descrpton A major porton of the Unted States s beleved to be subject to sesmc actvty suffcent to cause sgnfcant structural
More informationSpecification -- Assumptions of the Simple Classical Linear Regression Model (CLRM) 1. Introduction
ECONOMICS 35* -- NOTE ECON 35* -- NOTE Specfcaton -- Aumpton of the Smple Clacal Lnear Regreon Model (CLRM). Introducton CLRM tand for the Clacal Lnear Regreon Model. The CLRM alo known a the tandard lnear
More informationAP Statistics Ch 3 Examining Relationships
Introducton To tud relatonhp between varable, we mut meaure the varable on the ame group of ndvdual. If we thnk a varable ma eplan or even caue change n another varable, then the eplanator varable and
More informationNovember 5, 2002 SE 180: Earthquake Engineering SE 180. Final Project
SE 8 Fnal Project Story Shear Frame u m Gven: u m L L m L L EI ω ω Solve for m Story Bendng Beam u u m L m L Gven: m L L EI ω ω Solve for m 3 3 Story Shear Frame u 3 m 3 Gven: L 3 m m L L L 3 EI ω ω ω
More informationComparative Study on Electromagnetic and Electromechanical Transient Model for Grid-connected Photovoltaic Power System
Energy and Power Engneerng, 13, 5, 47-5 do:1.436/epe.13.54b48 Publhed Onlne July 13 (http://www.crp.org/journal/epe) Comparatve Study on and Tranent Model for Grd-connected Photovoltac Power Sytem Man
More informationNON LINEAR ANALYSIS OF STRUCTURES ACCORDING TO NEW EUROPEAN DESIGN CODE
October 1-17, 008, Bejng, Chna NON LINEAR ANALYSIS OF SRUCURES ACCORDING O NEW EUROPEAN DESIGN CODE D. Mestrovc 1, D. Czmar and M. Pende 3 1 Professor, Dept. of Structural Engneerng, Faculty of Cvl Engneerng,
More informationChapter 11. Supplemental Text Material. The method of steepest ascent can be derived as follows. Suppose that we have fit a firstorder
S-. The Method of Steepet cent Chapter. Supplemental Text Materal The method of teepet acent can be derved a follow. Suppoe that we have ft a frtorder model y = β + β x and we wh to ue th model to determne
More informationStability Analysis of Tailings Dam Based on Coupling Seepage and Stress
2016 Internatonal Conference on Archtectural Engneerng and Cvl Engneerng (AECE-16) Stablty Analy of Talng Dam Baed on Couplng Seepage and Stre Lna ZHANG Cvl and Archtectural Engneerng Department Eat Chna
More informationEffect of loading frequency on the settlement of granular layer
Effect of loadng frequency on the settlement of granular layer Akko KONO Ralway Techncal Research Insttute, Japan Takash Matsushma Tsukuba Unversty, Japan ABSTRACT: Cyclc loadng tests were performed both
More informationBuckling analysis of piezoelectric composite plates using NURBSbased isogeometric finite elements and higher-order shear deformation theory
Proceedng of the 3 rd nternatonal Conference on Fracture Fatgue and Wear, pp. 134-140, 014 Bucklng analy of pezoelectrc compote plate ung NURBSbaed ogeometrc fnte element and hgher-order hear deformaton
More informationNo! Yes! Only if reactions occur! Yes! Ideal Gas, change in temperature or pressure. Survey Results. Class 15. Is the following possible?
Survey Reult Chapter 5-6 (where we are gong) % of Student 45% 40% 35% 30% 25% 20% 15% 10% 5% 0% Hour Spent on ChE 273 1-2 3-4 5-6 7-8 9-10 11+ Hour/Week 2008 2009 2010 2011 2012 2013 2014 2015 2017 F17
More informationEnhanced friction model for high-speed right-angle gear dynamics
Journal of Mechancal Scence and Technology 25 () (2) 274~2753 www.prngerlnk.com/content/738-494x DOI.7/226--83-3 Enhanced frcton model for hgh-peed rght-angle gear dynamc Zhheng Feng,*, Shlong Wang, Tek
More informationTwo Approaches to Proving. Goldbach s Conjecture
Two Approache to Provng Goldbach Conecture By Bernard Farley Adved By Charle Parry May 3 rd 5 A Bref Introducton to Goldbach Conecture In 74 Goldbach made h mot famou contrbuton n mathematc wth the conecture
More informationIntroduction to Interfacial Segregation. Xiaozhe Zhang 10/02/2015
Introducton to Interfacal Segregaton Xaozhe Zhang 10/02/2015 Interfacal egregaton Segregaton n materal refer to the enrchment of a materal conttuent at a free urface or an nternal nterface of a materal.
More informationFUZZY FINITE ELEMENT METHOD
FUZZY FINITE ELEMENT METHOD RELIABILITY TRUCTURE ANALYI UING PROBABILITY 3.. Maxmum Normal tress Internal force s the shear force, V has a magntude equal to the load P and bendng moment, M. Bendng moments
More informationPhys 402: Raman Scattering. Spring Introduction: Brillouin and Raman spectroscopy. Raman scattering: how does it look like?
Phy 402: Raman Scatterng Sprng 2008 1 Introducton: Brlloun and Raman pectrocopy Inelatc lght catterng medated by the electronc polarzablty of the medum a materal or a molecule catter rradant lght from
More informationA NUMERICAL MODELING OF MAGNETIC FIELD PERTURBATED BY THE PRESENCE OF SCHIP S HULL
A NUMERCAL MODELNG OF MAGNETC FELD PERTURBATED BY THE PRESENCE OF SCHP S HULL M. Dennah* Z. Abd** * Laboratory Electromagnetc Sytem EMP BP b Ben-Aknoun 606 Alger Algera ** Electronc nttute USTHB Alger
More informationDistributed Control for the Parallel DC Linked Modular Shunt Active Power Filters under Distorted Utility Voltage Condition
Dtrbted Control for the Parallel DC Lnked Modlar Shnt Actve Power Flter nder Dtorted Utlty Voltage Condton Reearch Stdent: Adl Salman Spervor: Dr. Malabka Ba School of Electrcal and Electronc Engneerng
More informationNot at Steady State! Yes! Only if reactions occur! Yes! Ideal Gas, change in temperature or pressure. Yes! Class 15. Is the following possible?
Chapter 5-6 (where we are gong) Ideal gae and lqud (today) Dente Partal preure Non-deal gae (next tme) Eqn. of tate Reduced preure and temperature Compreblty chart (z) Vapor-lqud ytem (Ch. 6) Vapor preure
More informationAlpha Risk of Taguchi Method with L 18 Array for NTB Type QCH by Simulation
Proceedng of the World Congre on Engneerng 00 Vol II WCE 00, July -, 00, London, U.K. Alpha Rk of Taguch Method wth L Array for NTB Type QCH by Smulaton A. Al-Refae and M.H. L Abtract Taguch method a wdely
More informationElectric and magnetic field sensor and integrator equations
Techncal Note - TN12 Electrc and magnetc feld enor and ntegrator uaton Bertrand Da, montena technology, 1728 oen, Swtzerland Table of content 1. Equaton of the derate electrc feld enor... 1 2. Integraton
More informationWeek3, Chapter 4. Position and Displacement. Motion in Two Dimensions. Instantaneous Velocity. Average Velocity
Week3, Chapter 4 Moton n Two Dmensons Lecture Quz A partcle confned to moton along the x axs moves wth constant acceleraton from x =.0 m to x = 8.0 m durng a 1-s tme nterval. The velocty of the partcle
More informationIdentification of Instantaneous Modal Parameters of A Nonlinear Structure Via Amplitude-Dependent ARX Model
Identfcaton of Instantaneous Modal Parameters of A Nonlnear Structure Va Ampltude-Dependent ARX Model We Chh Su(NCHC), Chung Shann Huang(NCU), Chng Yu Lu(NCU) Outlne INRODUCION MEHODOLOGY NUMERICAL VERIFICAION
More informationScattering of two identical particles in the center-of. of-mass frame. (b)
Lecture # November 5 Scatterng of two dentcal partcle Relatvtc Quantum Mechanc: The Klen-Gordon equaton Interpretaton of the Klen-Gordon equaton The Drac equaton Drac repreentaton for the matrce α and
More informationPhysics 120. Exam #1. April 15, 2011
Phyc 120 Exam #1 Aprl 15, 2011 Name Multple Choce /16 Problem #1 /28 Problem #2 /28 Problem #3 /28 Total /100 PartI:Multple Choce:Crclethebetanwertoeachqueton.Anyothermark wllnotbegvencredt.eachmultple
More informationSeismic Reliability Analysis and Topology Optimization of Lifeline Networks
The 4 th World Conference on Earthquake Engneerng October 2-7, 2008, Beng, Chna Semc Relablty Analy and Topology Optmzaton of Lfelne Network ABSTRACT: Je L and We Lu 2 Profeor, Dept. of Buldng Engneerng,
More information11. Dynamics in Rotating Frames of Reference
Unversty of Rhode Island DgtalCommons@URI Classcal Dynamcs Physcs Course Materals 2015 11. Dynamcs n Rotatng Frames of Reference Gerhard Müller Unversty of Rhode Island, gmuller@ur.edu Creatve Commons
More informationMULTIPLE REGRESSION ANALYSIS For the Case of Two Regressors
MULTIPLE REGRESSION ANALYSIS For the Cae of Two Regreor In the followng note, leat-quare etmaton developed for multple regreon problem wth two eplanator varable, here called regreor (uch a n the Fat Food
More informationElectrical Circuits II (ECE233b)
Electrcal Crcut II (ECE33b) Applcaton of Laplace Tranform to Crcut Analy Anet Dounav The Unverty of Wetern Ontaro Faculty of Engneerng Scence Crcut Element Retance Tme Doman (t) v(t) R v(t) = R(t) Frequency
More informationChapter 8. Potential Energy and Conservation of Energy
Chapter 8 Potental Energy and Conservaton of Energy In ths chapter we wll ntroduce the followng concepts: Potental Energy Conservatve and non-conservatve forces Mechancal Energy Conservaton of Mechancal
More informationTHREE-DIMENSION DYNAMIC SOIL-STRUCTURE INTERACTION ANALYSIS USING THE SUBSTRUCTURE METHOD IN THE TIME DOMAIN
The 4 th October 2-7 2008 Bejng Chna THREE-DIENSION DYNAIC SOIL-STRUCTURE INTERACTION ANALYSIS USING THE SUBSTRUCTURE ETHOD IN THE TIE DOAIN X..Yang Y.Chen and B.P.Yang 2 Assocate Professor aculty of Constructon
More informationCHAPTER 6. LAGRANGE S EQUATIONS (Analytical Mechanics)
CHAPTER 6 LAGRANGE S EQUATIONS (Analytcal Mechancs) 1 Ex. 1: Consder a partcle movng on a fxed horzontal surface. r P Let, be the poston and F be the total force on the partcle. The FBD s: -mgk F 1 x O
More informationUniaxial Modelling of Behavior of the Concrete in Fast Dynamics: Approach to Seismic Behavior
Engneerng, 0, 3, 56-568 do:0.436/eng.0.36066 Publhed Onlne June 0 (http://www.scrp.org/journal/eng) Unaxal Modellng of Behavor of the Concrete n Fat Dynamc: Approach to Semc Behavor Abdelhak Baraka, Mohammed
More informationDYNAMIC BEHAVIOR OF PILE GROUP CONSIDERING SOIL-PILE-CAP INTERACTION
October 1-17, 8, Bejng, Chna DYNAMIC BEHAVIOR OF PILE GROUP CONSIDERING SOIL-PILE-CAP INTERACTION A. M. Halaban 1 and M. Malek 1 Professor, Faculty of Cvl Engneerng, Isfahan Unversty of Technology, Isfahan,
More informationDeep Reinforcement Learning with Experience Replay Based on SARSA
Deep Renforcement Learnng wth Experence Replay Baed on SARSA Dongbn Zhao, Hatao Wang, Kun Shao and Yuanheng Zhu Key Laboratory of Management and Control for Complex Sytem Inttute of Automaton Chnee Academy
More informationMODELLING OF TRANSIENT HEAT TRANSPORT IN TWO-LAYERED CRYSTALLINE SOLID FILMS USING THE INTERVAL LATTICE BOLTZMANN METHOD
Journal o Appled Mathematc and Computatonal Mechanc 7, 6(4), 57-65 www.amcm.pcz.pl p-issn 99-9965 DOI:.75/jamcm.7.4.6 e-issn 353-588 MODELLING OF TRANSIENT HEAT TRANSPORT IN TWO-LAYERED CRYSTALLINE SOLID
More informationResearch on the Fuzzy Control for Vehicle Semi-active Suspension. Xiaoming Hu 1, a, Wanli Li 1,b
Advanced Materals Research Onlne: 0-0- ISSN: -9, Vol., pp -9 do:0.0/www.scentfc.net/amr.. 0 Trans Tech Publcatons, Swterland Research on the Fuy Control for Vehcle Sem-actve Suspenson Xaomng Hu, a, Wanl
More informationProblem #1. Known: All required parameters. Schematic: Find: Depth of freezing as function of time. Strategy:
BEE 3500 013 Prelm Soluton Problem #1 Known: All requred parameter. Schematc: Fnd: Depth of freezng a functon of tme. Strategy: In thee mplfed analy for freezng tme, a wa done n cla for a lab geometry,
More informationCHAPTER 14 GENERAL PERTURBATION THEORY
CHAPTER 4 GENERAL PERTURBATION THEORY 4 Introducton A partcle n orbt around a pont mass or a sphercally symmetrc mass dstrbuton s movng n a gravtatonal potental of the form GM / r In ths potental t moves
More information2.3 Least-Square regressions
.3 Leat-Square regreon Eample.10 How do chldren grow? The pattern of growth vare from chld to chld, o we can bet undertandng the general pattern b followng the average heght of a number of chldren. Here
More informationMATHEMATICAL AND COMPUTER HOMOGENIZATION MODELS FOR BULK MIXTURE COMPOSITE MATERIALS WITH IMPERFECT INTERFACES
Materal Phyc and Mechanc 37 (218) 34-41 Receved: December 22, 217 MATHEMATICAL AND COMPUTER HOMOGENIZATION MODELS FOR BULK MIXTURE COMPOSITE MATERIALS WITH IMPERFECT INTERFACES A.A. Naedkna 1 *, A. Rajagopal
More informationPhysics 181. Particle Systems
Physcs 181 Partcle Systems Overvew In these notes we dscuss the varables approprate to the descrpton of systems of partcles, ther defntons, ther relatons, and ther conservatons laws. We consder a system
More informationDynamic Analysis Based On ANSYS of Turning and Grinding Compound Machine Spindle Box Zanhui Shu and Qiushi Han
Advanced Materals Research Onlne: 2012-01-03 ISSN: 1662-8985, Vols. 433-440, pp 524-529 do:10.4028/www.scentfc.net/amr.433-440.524 2012 Trans Tech Publcatons, Swtzerland Dynamc Analyss Based On ANSYS of
More informationKinetic-Energy Density-Functional Theory on a Lattice
h an open acce artcle publhed under an ACS AuthorChoce Lcene, whch permt copyng and redtrbuton of the artcle or any adaptaton for non-commercal purpoe. Artcle Cte h: J. Chem. heory Comput. 08, 4, 407 4087
More informationLarge-Eddy Simulation of Plume Dispersion within a Regular Array of Cubic Buildings
Progre n NUCLEAR SCIENCE and TECHNOLOGY, Vol., pp.463-469 () ARTICLE Large-Eddy Smulaton of Plume Dperon wthn a Regular Array of Cubc Buldng Hromaa NAKAYAMA * and Haruyau NAGAI Japan Atomc Energy Agency,
More informationStart Point and Trajectory Analysis for the Minimal Time System Design Algorithm
Start Pont and Trajectory Analy for the Mnmal Tme Sytem Degn Algorthm ALEXANDER ZEMLIAK, PEDRO MIRANDA Department of Phyc and Mathematc Puebla Autonomou Unverty Av San Claudo /n, Puebla, 757 MEXICO Abtract:
More informationA Hybrid Evolution Algorithm with Application Based on Chaos Genetic Algorithm and Particle Swarm Optimization
Natonal Conference on Informaton Technology and Computer Scence (CITCS ) A Hybrd Evoluton Algorthm wth Applcaton Baed on Chao Genetc Algorthm and Partcle Swarm Optmzaton Fu Yu School of Computer & Informaton
More informationIndeterminate pin-jointed frames (trusses)
Indetermnate pn-jonted frames (trusses) Calculaton of member forces usng force method I. Statcal determnacy. The degree of freedom of any truss can be derved as: w= k d a =, where k s the number of all
More information10. Canonical Transformations Michael Fowler
10. Canoncal Transformatons Mchael Fowler Pont Transformatons It s clear that Lagrange s equatons are correct for any reasonable choce of parameters labelng the system confguraton. Let s call our frst
More informationNumerical Methods for Solving Turbulent Flows by Using Parallel Technologies
Journal of Computer and Communcaton, 0,, -5 do:0.46/cc.0.00 Publhed Onlne February 0 (http://www.crp.org/ournal/cc) Numercal Method for Solvng urbulent Flow by Ung Parallel echnologe Albek Iakhov Department
More informationMAE140 - Linear Circuits - Winter 16 Final, March 16, 2016
ME140 - Lnear rcuts - Wnter 16 Fnal, March 16, 2016 Instructons () The exam s open book. You may use your class notes and textbook. You may use a hand calculator wth no communcaton capabltes. () You have
More informationThe influence of Stern layer conductance on the. dielectrophoretic behaviour of latex nanospheres
The nfluence of Stern layer conductance on the delectrophoretc behavour of latex nanophere Mchael Pycraft Hughe* Bomedcal Engneerng Group, Unverty of Surrey, Guldford, GU2 7XH, UK Ncola Gavn Green Boelectronc
More informationStructural Dynamics and Earthquake Engineering
Structural Dynamcs and Earthuake Engneerng Course 9 Sesmc-resstant desgn of structures (1) Sesmc acton Methods of elastc analyss Course notes are avalable for download at http://www.ct.upt.ro/users/aurelstratan/
More informationFirst Law: A body at rest remains at rest, a body in motion continues to move at constant velocity, unless acted upon by an external force.
Secton 1. Dynamcs (Newton s Laws of Moton) Two approaches: 1) Gven all the forces actng on a body, predct the subsequent (changes n) moton. 2) Gven the (changes n) moton of a body, nfer what forces act
More informationEVALUATION OF THE VISCO-ELASTIC PROPERTIES IN ASPHALT RUBBER AND CONVENTIONAL MIXES
EVALUATION OF THE VISCO-ELASTIC PROPERTIES IN ASPHALT RUBBER AND CONVENTIONAL MIXES Manuel J. C. Mnhoto Polytechnc Insttute of Bragança, Bragança, Portugal E-mal: mnhoto@pb.pt Paulo A. A. Perera and Jorge
More informationFinite Element Modelling of truss/cable structures
Pet Schreurs Endhoven Unversty of echnology Department of Mechancal Engneerng Materals echnology November 3, 214 Fnte Element Modellng of truss/cable structures 1 Fnte Element Analyss of prestressed structures
More informationInformation Acquisition in Global Games of Regime Change (Online Appendix)
Informaton Acquton n Global Game of Regme Change (Onlne Appendx) Mchal Szkup and Iabel Trevno Augut 4, 05 Introducton Th appendx contan the proof of all the ntermedate reult that have been omtted from
More informationDesign and Analysis of Landing Gear Mechanic Structure for the Mine Rescue Carrier Robot
Sensors & Transducers 214 by IFSA Publshng, S. L. http://www.sensorsportal.com Desgn and Analyss of Landng Gear Mechanc Structure for the Mne Rescue Carrer Robot We Juan, Wu Ja-Long X an Unversty of Scence
More informationCanonical transformations
Canoncal transformatons November 23, 2014 Recall that we have defned a symplectc transformaton to be any lnear transformaton M A B leavng the symplectc form nvarant, Ω AB M A CM B DΩ CD Coordnate transformatons,
More informationA NEW PROPOSAL FOR LIQUEFACTION POTENTIAL BASED ON ENERGY BALANCE METHOD
3 th orld Conference on Earthquake Engneerng Vancouver, B.C., Canada August 6, 4 Paper No. A NE PROPOSAL FOR LIQUEFACTION POTENTIAL BASED ON ENERGY BALANCE METHOD Shuch SHIMOMURA, Norak SAKO, Tosho ADACHI
More informationCoupling of WRF and building-resolving urban CFD models for analysis of strong winds over an urban area
.6 Couplng of WRF and buldng-reolvng urban CFD model for analy of trong wnd over an urban area Hromaa Nakayama *, Tetuya Takem 2 and Haruyau Naga Japan Atomc Energy Agency, Ibarak, Japan 2 Dater Preventon
More informationEstimating floor acceleration in nonlinear multi-story moment-resisting frames
Etimating floor acceleration in nonlinear multi-tory moment-reiting frame R. Karami Mohammadi Aitant Profeor, Civil Engineering Department, K.N.Tooi Univerity M. Mohammadi M.Sc. Student, Civil Engineering
More informationPredicting Lock-in on Drilling Risers in Sheared Flows
Predctng ock-n on Drllng Rer n Sheared F J. Km Vandver Maachuett Inttute of Technology, Cambrdge, Maachuett, 39 USA Th paper from the Proceedng of the F-Induced Vbraton Conference, ucerne, Swtzerland,
More informationModeling of Wave Behavior of Substrate Noise Coupling for Mixed-Signal IC Design
Modelng of Wave Behavor of Subtrate Noe Couplng for Mxed-Sgnal IC Degn Georgo Veron, Y-Chang Lu, and Robert W. Dutton Center for Integrated Sytem, Stanford Unverty, Stanford, CA 9435 yorgo@gloworm.tanford.edu
More informationA NOVEL FAMILY OF WEIGHTED AVERAGE VOTERS FOR FAULT-TOLERANT COMPUTER CONTROL SYSTEMS
A OVEL FAMILY OF WEIGHTED AVERAGE VOTERS FOR FAULT-TOLERAT COMPUTER COTROL SYSTEMS G. Latf-Shabgah *, A. J. Hrt *, and S. Bennett + * Department of Telematc, Open Unverty Walton Hall, Mlton Keyne, MK7
More information1. The number of significant figures in the number is a. 4 b. 5 c. 6 d. 7
Name: ID: Anwer Key There a heet o ueul ormulae and ome converon actor at the end. Crcle your anwer clearly. All problem are pont ecept a ew marked wth ther own core. Mamum core 100. There are a total
More informationFast Simulation of Pyroshock Responses of a Conical Structure Using Rotation-Superposition Method
Appled Mathematcs & Informaton Scences An Internatonal Journal 211 NSP 5 (2) (211), 187S-193S Fast Smulaton of Pyroshock Responses of a Concal Structure Usng Rotaton-Superposton Method Yongjan Mao 1, Yulong
More information