SS-V：1120 带中跨载荷的简支梁 测试编号 VS13 求出在中点有载荷的铰接梁的最大位移和应力。 定义 Figure 1. 单位为 SI。 结果 最大位移的参考解的计算方式为：(1) δ m a x = F L 3 48 E I MathType@MTEF@5@5@+= feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVCI8FfYJH8YrFfeuY=Hhbbf9v8qqaqFr0xc9pk0xbb a9q8WqFfeaY=biLkVcLq=JHqpepeea0=as0Fb9pgeaYRXxe9vr0=vr 0=vqpWqaaeaabiGaciaacaqabeaadaqaaqaaaOqaaiabes7aKnaaBa aaleaaqaaaaaaaaaWdbiaad2gacaWGHbGaamiEaaWdaeqaaOWdbiab g2da9maalaaabaGaamOraiaaykW7caWGmbWaaWbaaSqabeaacaaIZa aaaaGcbaGaaGinaiaaiIdacaaMc8UaamyraiaaykW7caWGjbaaaiaa cckaaaa@475A@ 其中， I = b h 3 12 MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVCI8FfYJH8YrFfeuY=Hhbbf9v8qqaqFr0xc9pk0xbb a9q8WqFfeaY=biLkVcLq=JHqpepeea0=as0Fb9pgeaYRXxe9vr0=vr 0=vqpWqaaeaabiGaciaacaqabeaadaqaaqaaaOqaaabaaaaaaaaape Gaamysaiabg2da9maalaaabaGaamOyaiaaykW7caWGObWaaWbaaSqa beaacaaIZaaaaaGcbaGaaGymaiaaikdaaaGaaiiOaaaa@3EDB@ 最大位移的参考解的计算方式为：(2) σ m a x = F L 4 Z MathType@MTEF@5@5@+= feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVCI8FfYJH8YrFfeuY=Hhbbf9v8qqaqFr0xc9pk0xbb a9q8WqFfeaY=biLkVcLq=JHqpepeea0=as0Fb9pgeaYRXxe9vr0=vr 0=vqpWqaaeaabiGaciaacaqabeaadaqaaqaaaOqaaiabeo8aZnaaBa aaleaaqaaaaaaaaaWdbiaad2gacaWGHbGaamiEaaWdaeqaaOWdbiab g2da9maalaaabaGaamOraiaaykW7caWGmbaabaGaaGinaiaaykW7ca WGAbaaaiaacckaaaa@437E@ 其中， Z = b h 2 6 MathType@MTEF@5@5@+= feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVCI8FfYJH8YrFfeuY=Hhbbf9v8qqaqFr0xc9pk0xbb a9q8WqFfeaY=biLkVcLq=JHqpepeea0=as0Fb9pgeaYRXxe9vr0=vr 0=vqpWqaaeaabiGaciaacaqabeaadaqaaqaaaOqaaabaaaaaaaaape GaamOwaiabg2da9maalaaabaGaamOyaiaaykW7caWGObWaaWbaaSqa beaacaaIYaaaaaGcbaGaaGOnaaaacaGGGcaaaa@3E33@ 下表总结了位移和应力结果。 参考 SimSolid % 差异 最大位移 [mm] 1.0714E+00 1.0764E+00 0.46% 最大应力 [MPa] 1.5000E+02 1.5011E+02 0.07%
