SS-V：1170 带有偏心孔的板块的应力集中

测试编号：VS18 求出带有偏心孔的板的应力集中。

定义

图 1.


板的一端固定，板的另一端施加 1 psi 的压力。单位为 IPS。
模型尺寸
a = 1 in
c = 4 in
e = 16 in
a/c = 0.25
e/c = 4

结果

  • σ 最大值   =   kσ nom MathType@MTEF@5@5@+= feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaae4WdmaaBa aaleaaciGGTbGaaiyyaiaacIhaaeqaaOGaaGPaVlabg2da9iaaykW7 caqGRbGaae4WdmaaBaaaleaacaqGUbGaae4Baiaab2gaaeqaaaaa@4398@
  • K t   ≅   3.25 MathType@MTEF@5@5@+= feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4samaaBa aaleaacaWG0baabeaakiaaykW7cqGHfjcqcaaMc8UaaG4maiaac6ca caaIYaGaaGynaaaa@3F25@
  • σ nom   =   1   psi MathType@MTEF@5@5@+= feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaae4WdmaaBa aaleaacaqGUbGaae4Baiaab2gaaeqaaOGaaGPaVlabg2da9iaaykW7 caaIXaGaaGjbVlaabchacaqGZbGaaeyAaaaa@437E@
下表总结了应力结果。
理论1 SimSolid % 差异
第一主应力 3.25 3.21 ~1.33
1 Pilkey, W.D., Pilkey, D.F. 和 Bi, Z. (1997) Peterson's stress concentration factors（彼得森应力集中因子）.第二版.Hoboken, NJ: John Wiley & Sons, Inc.