SS-V：1190 带有半圆孔的板中的应力集中

测试编号：VS20 求出带有半圆孔的板中的应力集中。

定义



Figure 1.
板的一端固定，另一端施加 1 psi 的压力载荷。单位为 IPS。
模型尺寸
a = 1 in
H = 5 in
r = 0.5 in
h =0.1 in
H/r = 10

结果

  • σ m a x =   k σ n o m MathType@MTEF@5@5@+= feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacqaHdpWCdaWgaaWcbaGaamyBaiaadggacaWG4baabeaakiabg2da 9iaacckacaWGRbGaeq4Wdm3aaSbaaSqaaiaad6gacaWGVbGaamyBaa qabaaaaa@42C3@
  • K t   ≅ 3.125   MathType@MTEF@5@5@+= feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaWGlbGaamiDaiaacckacqGHfjcqcaaIZaGaaiOlaiaaigdacaaI YaGaaGynaiaacckaaaa@3EFC@
  • σ n o m   =   1   p s i MathType@MTEF@5@5@+= feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacqaHdpWCdaWgaaWcbaGaamOBaiaad+gacaWGTbaabeaakiaabcca cqGH9aqpcaqGGaGaaGymaiaabccacaWGWbGaam4CaiaadMgaaaa@416A@
下表总结了应力结果。
  理论1 SimSolid % 差异
第一主应力 3.125 3.175 ~1
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.