《弹性力学》6-2 梁的弹性平面弯曲应力、应变和挠度计算

已知量部分,,,,,,,,中间量,,求解量部分,,,,,,

截面参数/m,,矩形梁长度(l)/m,材料参数,,集中力值(F)/kN,求解点坐标/m,,剪切模量（G）/MPa,截面惯性矩(I)/m^4,应力分量/MPa,,,应变分量,,,挠度/m

参数名称,输入值,,弹性模量(E)/MPa,泊松比(ν),,x,y,,,σx,σy,τxy,εx,εy,γxy,vy=0

截面高度(h),6,30,210000,0.3,20,3,3,80769.23077,18,-3,0,0,-1.42857E-05,4.28571E-06,0,0.054785714

截面宽度(b),1,,,,,,,,,,,,,,,

注：（1）灰色底纹部分为可更改输入量，其余部分为自动计算部分，无需更改。（2）x、y坐标值依据教材所示坐标系。,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,

,挠度曲线算例（数据列与上表对应）,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,

,,,,,,截面位置（x）/m,,,,,,,,,,挠度/m

,6,30,210000,0.3,20,0,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.047619048

,6,30,210000,0.3,20,1,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.050000882

,6,30,210000,0.3,20,2,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.052388007

,6,30,210000,0.3,20,3,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.054785714

,6,30,210000,0.3,20,4,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.057199295

,6,30,210000,0.3,20,5,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.059634039

,6,30,210000,0.3,20,6,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.062095238

,6,30,210000,0.3,20,7,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.064588183

,6,30,210000,0.3,20,8,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.067118166

,6,30,210000,0.3,20,9,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.069690476

,6,30,210000,0.3,20,10,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.072310406

,6,30,210000,0.3,20,11,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.074983245

,6,30,210000,0.3,20,12,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.077714286

,6,30,210000,0.3,20,13,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.080508818

,6,30,210000,0.3,20,14,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.083372134

,6,30,210000,0.3,20,15,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.086309524

,6,30,210000,0.3,20,16,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.089326279

,6,30,210000,0.3,20,17,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.09242769

,6,30,210000,0.3,20,18,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.095619048

,6,30,210000,0.3,20,19,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.098905644

,6,30,210000,0.3,20,20,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.102292769

,6,30,210000,0.3,20,21,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.105785714

,6,30,210000,0.3,20,22,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.109389771

,6,30,210000,0.3,20,23,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.113110229

,6,30,210000,0.3,20,24,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.116952381

,6,30,210000,0.3,20,25,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.120921517

,6,30,210000,0.3,20,26,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.125022928

,6,30,210000,0.3,20,27,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.129261905

,6,30,210000,0.3,20,28,0,80769.23077,18,0,0,-5,0,0,-6.19048E-05,0.133643739

,6,30,210000