公开课网05 平面问题基本理论3.PPT

05 平面问题基本理论3.PPT

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2Theory of Plane Problems2—1Plane Stress and Plane Strain2—2Differential Equations of Equilibrium2
*SOLUTION OF PLANE PROBLEM*For the solution of an elasticityproblem, we can proceed inthreediffere
2.Takethe stress componentsas the basicunknown functions, formulatea system ofdifferential equatio

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var arr=[]; MIP.watch('t', function (newVal, oldVal) { var img_tj = MIP.getData('img_tj'); var list = MIP.getData('list'); var t = MIP.getData('t'); var fd = MIP.getData('t'); var fdz = 'tp' + fd; var tpp = MIP.getData(fdz); var fdl = parseInt(fd)+1; var fdlz = 'tp' + fdl; var tppl = MIP.getData(fdlz); if (arr[fd] !== 'aaa' && newVal < img_tj){ MIP.setData({list : list.concat({n : tpp}),img_sy : '还剩余' + ( img_tj - newVal - 1) + '页'}); arr[fd] = 'aaa'; }else{ MIP.setData({list : list.concat({n : tpp}),img_sy : '已经加载完毕！',xyy : '欢迎进行下载！'}); } });