* fichier : j2_bcn.dgibi ************************************************************************ ************************************************************************ * PERFORATED STRIP UNDER TRACTION * TEST: J2 perfect plasticity model * * *------------- OPCIONES GENERALES -------------------------------- * GRAPH = 'N' ; * *------------- CREACION DE LA GEOMETRIA -------------------------- * p1 = 5. 0.; p2 = 10. 0.; p3 = 10. 18.; p4 = 0. 18.; p5 = 0. 5.; pce = 0. 0.; aux = 0.7071067 * 5.; p6 = aux aux; den = 12; l12 = d den p1 p2; l23 = d den p2 p3; l36 = d den p3 p6; l34 = d den p3 p4; l45 = d den p4 p5; l63 = d den p6 p3; mall1 = daller l12 l23 l36 l61; mall2 = daller l34 l45 l56 l63; malla = mall1 et mall2; * *------------- MODELO ------------------------------------------- * NUHOR = 0.2; ROHOR = 2.5e3; E_ELAS = 7.e7; E_PLAS = 0.e0; K_PLAS = (E_PLAS*E_ELAS)/(E_ELAS-E_PLAS); SININI = 2.43e5; SINFIN = 0.; VELOCI = 0.; mod1 = model malla mecanique elastique plastique j2; mat1 = mater mod1 youn E_ELAS nu NUHOR rho ROHOR sig0 SININI sigi SINFIN kiso K_PLAS velo VELOCI; * mod1 = model malla mecanique elastique plastique parfait; * mat1 = mater mod1 youn E_ELAS nu NUHOR * sigy SININI ; * *-------------- MATRICES DE RIGIDEZ ----------------------------- * * *-------------- CONDICIONES DE CONTORNO ------------------------- * rigcont = rigcont1 et rigcont2; rig2 = rig1 et rigcont; * *-------------- MOVIMIENTO IMPUESTO ----------------------------- * valor = .1; * *--------------- RESOLUCION ------------------------------------- * maxiter = 15; t0 = table; t0.MODELE = mod1; t0.CARACTERISTIQUES = mat1; t0.BLOCAGES_MECANIQUES = rigcont et rigsupe; t0.CHARGEMENT = evfut; t0.ACCELERATION = maxiter; t0.MAXITERATION = maxiter; t0.PRECISION = 1.E-10; t0.CONVERGENCE_FORCEE = faux; t0.K_TANGENT = vrai; t0.TEMPS_SAUVES = t0.TEMPS_CALCULES; t0.HYPOTHESE_DEFORMATIONS = 'LINEAIRE' ; pasapas t0; * *--------------- POSTPROCESO ------------------------------------ * imax = 10; i = 1; repeter blocdefi imax; i=i+1; fin blocdefi; SI (NEG GRAPH 'N') ; dessin law; FINSI ; err = (aux - 1.40382E+06)/1.40382E+06 ; list err; SI ((ABS err) < 0.5e-5) ; SINON ; FINSI ; FIN;
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