瀹炵敤鏍囧噯鏂囨。
鏂囨澶у叏
鏉愭枡鏈瀯妯″瀷鍙婄紪绋?/p>
-ABAQUS-UMAT
鏉愭枡鏈瀯妯″瀷鍙婄紪绋嬪疄鐜帮細绠�浠?/p>
1
銆佷粈涔堟椂鍊欑敤鐢ㄦ埛瀹氫箟鏉愭枡锛?/p>
User-defined material, UMAT
锛夛紵
寰堢畝鍗曪紝褰?/p>
ABAQUS
娌℃湁鎻愪緵鎴戜滑闇�瑕佺殑鏉愭枡妯″瀷鏃躲�傛墍浠ワ紝鍦ㄥ喅瀹氳嚜宸卞畾涔変竴绉?/p>
鏂扮殑鏉愭枡妯″瀷涔嬪墠锛屾渶濂藉
ABAQUS
宸茬粡鎻愪緵鐨勬ā鍨嬪績涓湁鏁帮紝骞朵笖灏介噺浣跨敤鐜版湁鐨勬ā
鍨嬶紝鍥犱负杩欎簺妯″瀷宸茬粡缁忚繃璇︾粏鐨勯獙璇侊紝骞惰骞挎硾鎺ュ彈銆?/p>
2
銆佸ソ瀛﹀悧锛熼渶瑕佸摢浜涘熀纭�鐭ヨ瘑锛?/p>
鍏堢湅涓�涓?/p>
ABAQUS
鎵嬪唽锛?/p>
ABAQUS Analysis User's Manual
锛夐噷鐨勪竴娈佃瘽锛?/p>
Warning: The use of this option generally requires considerable expertise. Th
e user is cautioned that the implementation of any realistic constitutive model re
quires extensive development and testing. Initial testing on a single element mod
el with prescribed traction loading is strongly recommended.
浣嗚繖骞朵笉鎰忓懗鐫�闈炲姏瀛︿笓涓氾紝鎴栬�呭姏瀛﹀熀纭�鐭ヨ瘑涓嶅緢涓板瘜鑰呭氨鍙兘鏈涙磱鍏村徆锛屽洜涓烘垜
浠殑浠诲姟涓嶆槸寮�鍙戜竴濂楀畬鏁寸殑鏈夐檺鍏冭蒋浠讹紝鑰屽彧鏄彁渚涗竴涓弿杩版潗鏂欏姏瀛︽�ц兘鐨勬湰鏋勬柟绋?/p>
锛?/p>
Constitutive equation
锛夎�屽凡銆傚綋鐒讹紝鏈�鍩烘湰鐨勪竴浜涙蹇靛拰鐭ヨ瘑杩樻槸瑕佸叿澶囩殑锛屾瘮濡?/p>
搴斿姏
(stress),
搴斿彉锛?/p>
strain
锛夊強鍏跺垎閲忥紱
volumetric part
鍜?/p>
deviatoric part
锛涙ā閲?/p>
锛?/p>
modulus
锛?/p>
銆?/p>
娉婃澗姣?/p>
(Poisson
鈥?/p>
s ratio)
銆佹媺缇庡父鏁?/p>
(Lame constant)
锛涚煩闃电殑鍔犲噺涔橀櫎鐢?/p>
鑷虫眰閫嗭紱杩樻湁涓�浜涢珮绛夋暟瀛︾煡璇嗗绉垎銆佸井鍒嗙瓑銆?/p>