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。 Figure 1. 模型参数为: 参数 值 D 120mm d 60mm r 3mm D/d 2 r/d 0.05 结果参考解为:(1) 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 2.4460E+00 -5.92% 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.