*HEADING SIMPLE SHEAR -- M3D4R ELEMENT TYPE TESTED TO 300 PERCENT SHEAR ** **Analytical solution provided by Dienes (1979): **S11=4*mu*(cos(2*beta)*ln(cos(beta))+beta*sin(2*beta)-sin^2(beta)) **S12=2*mu*cos(2*beta)*(2*beta-2*tan(2*beta)*ln(cos(beta)-tan(beta)) **where tan(beta)=gamma ** *NODE, Nset=ODB_NSET 401,4.5,0. 402,5.5,0. 403,5.5,1. 404,4.5,1. 405,4.5,2. 406,5.5,2. 407,5.5,3. 408,4.5,3. *NSET,NSET=FIX 401,402,406,407 *NSET,NSET=XSHEAR 403,404 *NSET,NSET=YSHEAR 405,408 *NSET,NSET=NOUT 404,405 *ELEMENT,TYPE=M3D4R,ELSET=MEMBRANE 4, 401,402,403,404 9, 405,406,407,408 *MEMBRANE SECTION,ELSET=MEMBRANE,MATERIAL=MAT .01, *MATERIAL,NAME=MAT *DENSITY 1.346E-4, *ELASTIC 1.,0. *ELSET,ELSET=EALL MEMBRANE, *BOUNDARY FIX,1,3 XSHEAR,2,3 YSHEAR,1,1 YSHEAR,3,3 *RESTART,WRITE,NUMBER INTERVAL=2,TIMEMARKS=NO ** ** Sets added by addodb ** *Elset,Elset=ODB_ESET MEMBRANE, ** ** *Nset, Nset=ODB_NSET ODB_NSET, FIX, XSHEAR, YSHEAR NOUT, ** ** ** *ELSET,ELSET=QA_TEST_ALLELEMS MEMBRANE, ** *NSET, NSET=QA_TEST_ALLNODES ODB_NSET, FIX, XSHEAR, YSHEAR NOUT, ODB_NSET ** *STEP *DYNAMIC,EXPLICIT ,1.5 *BOUNDARY,TYPE=VELOCITY XSHEAR,1,1,4.0 YSHEAR,2,2,4.0 ***OUTPUT,HISTORY,TIME INTERVAL=.0015 ***ENERGY OUTPUT **ALLKE,ALLIE,ALLSE,ALLAE,ALLVD,ALLWK,ETOTAL,DT ***ELEMENT OUTPUT,ELSET=EALL **S,LE ***NODE OUTPUT,NSET=NOUT **U, *FILE OUTPUT,NUMBER INTERVAL=1,TIMEMARKS=NO *EL FILE SP,LE,NE, *NODE FILE U, *OUTPUT, FIELD, OP=ADD, NUMBER INTERVAL=2, TIMEMARKS=NO *ELEMENT OUTPUT ELEN, S,SP,LE,LEP,NE,NEP,PRESS, *NODE OUTPUT U, *OUTPUT, HISTORY, TIME INTERVAL=0.75 *ELEMENT OUTPUT, Elset=ODB_ESET ELEN, S,SP,LE,LEP,NE,NEP,PRESS, *NODE OUTPUT, Nset=ODB_NSET U, *ENERGY OUTPUT,VARIABLE=ALL *OUTPUT, FIELD, NUMBER INTERVAL=1, TIMEMARKS=NO *ELEMENT OUTPUT, ELSET=QA_TEST_ALLELEMS SP,LE,NE, *NODE OUTPUT, NSET=QA_TEST_ALLNODES U, *OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=1.5 *END STEP