*HEADING SIMPLE SHEAR -- CPE3 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=NALL 201,1.5,0. 202,2.5,0. 203,2.5,1. 204,1.5,1. 205,1.5,2. 206,2.5,2. 207,2.5,3. 208,1.5,3. *NSET,NSET=FIX 201,202,206,207 *NSET,NSET=XSHEAR 203,204 *NSET,NSET=YSHEAR 205,208 *NSET,NSET=NOUT 204,205 *NSET,NSET=QA_TEST NALL, *ELEMENT,TYPE=CPE3,ELSET=EALL 1, 201,202,203 2, 201,203,204 3, 205,206,207 4, 205,207,208 *SOLID SECTION,ELSET=EALL,MATERIAL=MAT *MATERIAL,NAME=MAT *DENSITY 1.346E-4, *ELASTIC 1.,0. *BOUNDARY FIX,1,3 XSHEAR,2,3 YSHEAR,1,1 YSHEAR,3,3 *RESTART,WRITE,NUMBER INTERVAL=2 *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=YES *EL FILE SP,LE,NE, *NODE FILE U, *********************** *OUTPUT,FIELD,NUMBER INTERVAL=1,TIMEMARKS=YES *NODE OUTPUT, NSET=QA_TEST U, ************************ *END STEP