SS-V:1090 带圆角的阶梯轴

测试编号:VS10 求出圆角切口内的应力集中。

定义

大轴面是固定的。

载荷为 1 MPa,外压作用在较小的轴面上。使用 5 个自适应迭代运行分析,并打开“适应几何特征”。

单位为 SI。

1.


模型参数为:
参数
D
120mm
d
60mm
r
3mm
D/d
2
r/d
0.05

结果

参考解为:

σ m a x =   k σ n o m MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVCI8FfYJH8YrFfeuY=Hhbbf9v8qqaqFr0xc9pk0xbb a9q8WqFfeaY=biLkVcLq=JHqpepeea0=as0Fb9pgeaYRXxe9vr0=vr 0=vqpWqaaeaabiGaciaacaqabeaadaqaaqaaaOqaaabaaaaaaaaape Gaeq4Wdm3damaaBaaaleaapeGaamyBaiaadggacaWG4baapaqabaGc peGaeyypa0JaaiiOaiaadUgacqaHdpWCpaWaaSbaaSqaa8qacaWGUb Gaam4Baiaad2gaa8aabeaaaaa@4325@

K t   2.6   MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVCI8FfYJH8YrFfeuY=Hhbbf9v8qqaqFr0xc9pk0xbb a9q8WqFfeaY=biLkVcLq=JHqpepeea0=as0Fb9pgeaYRXxe9vr0=vr 0=vqpWqaaeaabiGaciaacaqabeaadaqaaqaaaOqaaabaaaaaaaaape Gaam4sa8aadaWgaaWcbaWdbiaadshaa8aabeaak8qacaGGGcGaeyyr IaKaaGOmaiaac6cacaaI2aGaaiiOaaaa@3DEF@
下表总结了应力结果。
理论 SimSolid % 差异
SZ 应力 [MPa] 2.6000E+00 2.5137E+00 -3.322%
1 Collins, J. (2010).Mechanical design of machine elements and machines(机械零件和机器的机械设计)。Hoboken, NJ: Wiley.