工程力学的题目求解答
展开全部
A点切应力:
TA =Mk.ρA/I =(2.5KN.m)(0.055m/4)/(0.1x0.055m^4) ≈37566KN/m^2 =37.566MPa
.
最大切应力:
Tmax =Mk.R/I =(2.5KN.m)(0.055m/2)/(0.1x0.055m)^4 ≈75.132MPa
.
单位长度扭转角:
θ =Mk/GI =(2.5KN.m)/[(82000000KPa)(0.1x0.055m^4)] ≈0.0333rad/m
.
A点切应变:
γA = ρA.θ =(0.055m/4)(0.0333rad/m) ≈0.00183
TA =Mk.ρA/I =(2.5KN.m)(0.055m/4)/(0.1x0.055m^4) ≈37566KN/m^2 =37.566MPa
.
最大切应力:
Tmax =Mk.R/I =(2.5KN.m)(0.055m/2)/(0.1x0.055m)^4 ≈75.132MPa
.
单位长度扭转角:
θ =Mk/GI =(2.5KN.m)/[(82000000KPa)(0.1x0.055m^4)] ≈0.0333rad/m
.
A点切应变:
γA = ρA.θ =(0.055m/4)(0.0333rad/m) ≈0.00183
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询