SS-V:5100 屈曲 测试编号:VNL11求出简支梁屈曲的临界压缩载荷。 定义 简支梁承受压缩载荷。 单位为国际单位制。 Figure 1. 尺寸: L = 965 mm, b = 40 mm, h = 40 mm 其中, b 矩形截面的宽度。 h 矩形截面的高度。 材料属性为: 属性 值 弹性模量 2.1e11 pa 泊松比 0.3 结果下表总结了临界载荷。 参考 KN* SimSolid KN % 差异 临界载荷 474 472 0.4% *参考结果的计算方式为: Pcr=π2EIL2Pcr = π2EIL2 MathType@MTEF@5@5@+=feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiuamaaBaaaleaacaWGJbGaamOCaaqabaGccaaMc8Uaeyypa0JaaGPaVpaalaaabaGaeqiWda3aaWbaaSqabeaacaaIYaaaaOGaamyraiaadMeaaeaacaWGmbWaaWbaaSqabeaacaaIYaaaaaaaaaa@430B@ 其中, EE MathType@MTEF@5@5@+=feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyraaaa@36BD@ 弹性模量。 II MathType@MTEF@5@5@+=feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamysaaaa@36C1@ 区域转动惯量。 LL MathType@MTEF@5@5@+=feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamitaaaa@36C4@ 梁长度。 1 James M. Gere, Mechanics of Materials, 6th Edition(材料力学,第 6 版).