ansys工程分析(編輯修改稿)
2025-03-15 07:45 本頁面
【文章內(nèi)容簡介】 zyxx??????????????????????????????????????Dσε? zxzxzxyzyzyzxyxyxyyyzyxxzxzzzxxyxzzyzyyyzzxzyyxyxxxGGGEEEEEEEEE????????????????????????????????????Hooke’ s Law for Isotropic Material Hooke’ s Law for Anisotropic Material Hooke’ s Law for Orthotropic Material zzxxxzzzyyyzyyxxxyEEEEEE?????????25 ANSYS材料模式 ANSYS Material Models 材料分類 材料模式名稱 非黏滯性 材料 彈性 線性 線性彈性材料 非線性 非線性彈性材料 超彈性材料 塑性 塑性材料 黏滯性 材料 彈性 線性 線性黏彈材料 非線性 非線性黏彈材料 塑性 黏塑性材料 26 第 材料的破壞準則 Failure Criteria of Materis 27 延展性與脆性材料 Ductile vs. Brittle Ductile Material Strain Stress Strain Stress Brittle Material 28 脆性材料的破壞準則 Failure Criteria for Brittle Materials Maximum Principal Stress Failure Criteria: ? Fracture will occur when tensile stress is greater than ultimate tensile strength, ., u?? ?129 延展性材料的破壞準則 (1/2) Failure Criteria for Ductile Materials Tresca Failure Criteria: ? Yielding will occur when shear stress is greater than shear yield strength, ., 2231 y??? ??y??? ?? 31or 30 延展性材料的破壞準則 (2/2) Failure Criteria for Ductile Materials von Mises Failure Criteria: ? Yielding will occur when the von Mises stress is greater than yield strength, ., ? ? ? ? ? ?? ? ye ???????? ??????? 2132322212131 第 實例 : 動態(tài)分析 Example: Dynamic Analysis 32 問題描述 y H = 10 mm P = 100 N Q = 1 MPa x L = 60 mm W = 6 mm Material E = 200 Gpa ? = Time Load 0 33 ANSYS分析程序 (1/6) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 FINISH /CLEAR L = H = B = E = 200E9 NU = RO = 7850 DMP = SIZE = Q = 1E6 P = 100 /PREP7 K, 1, 0, H/2, B/2 K, 2, 0, H/2, B/2 K, 3, 0, H/2, B/2 K, 4, 0, H/2, B/2 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 K, 5, L, H/2, B/2 K, 6, L, H/
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