用comsol模拟路基重力荷载下的应力场分布

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1用comsol模拟路基重力荷载下的应力场分布目录1.全局.................................................................................................................................................21.1.定义.........................................................................................................................................22.组件1..............................................................................................................................................32.1.定义.........................................................................................................................................32.2.几何1......................................................................................................................................42.3.材料.........................................................................................................................................52.4.固体力学...............................................................................................................................132.5.网格1....................................................................................................................................673.研究1............................................................................................................................................693.1.稳态.......................................................................................................................................693.2.求解器配置...........................................................................................................................694.结果...............................................................................................................................................714.1.数据集...................................................................................................................................714.2.绘图组...................................................................................................................................7221全局全局设定1.1定义1.1.1参数11.1.2函数内插1函数名称compr函数类型内插内插132组件1日期2016-8-3010:48:27组件设定单位系统SI几何形参阶次automatic2.1定义2.1.1坐标系边界坐标系1坐标系类型边界坐标系标签sys1设定第一步(t1)第二(n)第三轴(to)t1nto设定名称值创建第一个切向全局笛卡尔(空间)42.2几何1几何1单位长度单位m角度单位deg几何统计属性值空间维度2域数5边界数19端点数152.2.1导入1(imp1)结果实体的选择名称值几何导入COMSOLMultiphysics文件文件名H:\王立鹏路基承载力计算\2016年6月模型构建\几5名称值何模型.mphbin2.3材料2.3.1Material1Material1选择几何实体层次域选择域5材料参数名称值单位杨氏模量250e6Pa泊松比0.31密度10000kg/m^3初始屈服10000Pa6名称值单位应力0硬化函数hardFcn(epe)PaBasic设定DescriptionValue杨氏模量250e6泊松比0.3密度10000弹塑性材料模型设定DescriptionValue初始屈服应力100000各向同性切线模量运动学切线模量硬化函数hardFcn(epe)Hill系数{0,0,0,0,0,0}初始拉伸和剪切屈服应力{epe,10,10,10,10,10}Functions函数名称TypehardFcnInterpolation7hardFcnMohr-Coulomb准则设定DescriptionValue内聚力10000000内摩擦角0.87膨胀角0.87线性粘弹性材料设定DescriptionValue剪切模量50000体积模量5000082.3.2Material1.2Material1.2选择几何实体层次域选择域2–4材料参数名称值单位杨氏模量250e6Pa泊松比0.31密度2380kg/m^3初始屈服应力250000Pa硬化函数hardFcn(epe)PaBasic设定DescriptionValue9DescriptionValue杨氏模量250e6泊松比0.3密度2380弹塑性材料模型设定DescriptionValue初始屈服应力250000各向同性切线模量运动学切线模量硬化函数hardFcn(epe)Hill系数{0,0,0,0,0,0}初始拉伸和剪切屈服应力{0,0,0,0,0,0}Functions函数名称TypehardFcnInterpolation10hardFcnMohr-Coulomb准则设定DescriptionValue内聚力10000000内摩擦角0.8膨胀角0.8线性粘弹性材料设定DescriptionValue剪切模量50000体积模量50000112.3.3Material1.2.2Material1.2.2选择几何实体层次域选择域1材料参数名称值单位杨氏模量250e6Pa泊松比0.31密度2380kg/m^3初始屈服应力250000Pa硬化函数hardFcn(epe)PaBasic设定12DescriptionValue杨氏模量250e6泊松比0.3密度2380弹塑性材料模型设定DescriptionValue初始屈服应力250000各向同性切线模量运动学切线模量硬化函数hardFcn(epe)Hill系数{0,0,0,0,0,0}初始拉伸和剪切屈服应力{0,0,0,0,0,0}Functions函数名称TypehardFcnInterpolation13hardFcn线性粘弹性材料设定DescriptionValue剪切模量20000体积模量200002.4固体力学固体力学选择14几何实体层次域选择域1–5EquationsSettingsDescriptionValue位移场二次计算边界通量关使用分裂复数变量时的值类型复数二维近似平面应变厚度1结构瞬态行为包含惯性项力矩计算参考点,x分量0力矩计算参考点,y分量0力矩计算参考点,z分量0完美匹配层的典型波速solid.cp使用的模块COMSOLMultiphysicsAcousticsModuleGeomechanicsModule变量名称表达式单位描述选择15名称表达式单位描述选择solid.nXnX1法矢,X分量边界4,6,8,11solid.nYnY1法矢,Y分量边界4,6,8,11solid.nZ01法矢,Z分量边界4,6,8,11solid.nXdnX1法矢,X分量边界1–3,5,7,9–10,12–19solid.nYdnY1法矢,Y分量边界1–3,5,7,9–10,12–19solid.nZ01法矢,Z分量边界1–3,5,7,9–10,12–19solid.nxnx1法矢,x分量边界4,6,8,11solid.nyny1法矢,y分边界4,6,8,1116名称表达式单位描述选择量solid.nz01法矢,z分量边界4,6,8,11solid.nxdnx1法矢,x分量边界1–3,5,7,9–10,12–19solid.nydny1法矢,y分量边界1–3,5,7,9–10,12–19solid.nz01法矢,z分量边界1–3,5,7,9–10,12–19solid.nXmeshroot.nXmesh1法矢(网格),X分量边界4,6,8,11solid.nYmeshroot.nYmesh1法矢(网格),Y分量边界4,6,8,11solid.nZmesh01法矢(网格),Z边界4,6,8,1117名称表达式单位描述选择分量solid.nXmeshroot.dnXmesh1法矢(网格),X分量边界1–3,5,7,9–10,12–19solid.nYmeshroot.dnYmesh1法矢(网格),Y分量边界1–3,5,7,9–10,12–19solid.nZmesh01法矢(网格),Z分量边界1–3,5,7,9–10,12–19solid.nxmeshroot.nxmesh1法矢(网格),x分量边界4,6,8,11solid.nymeshroot.nymesh1法矢(网格),y分量边界4,6,8,11solid.nzmesh01法矢(网格),z分量边界4,6,8,11solid.nxmeshroot.dnxmesh1法矢(网格),x边界1–3,5,7,9–18名称表达式单位描述选择分量10,12–19solid.nymeshroot.dnymesh1法矢(网格),y分量边界1–3,5,7,9–10,12–19solid.nzmesh01法矢(网格),z分量边界1–3,5,7,9–10,12–19solid.d1m厚度域1–5solid.refpntx0m力矩计算参考点,x分量全局solid.refpnty0m力矩计算参考点,y分量全局solid.refpntz0m力矩计算参考点,z分量全局solid.crefsolid.cpm/s完美匹配层的典型域1–519名称表达式单位描述选择波速xtd(x,TIME)m/s网格速度,x分量全局ytd(y,TIME)m/s网格速度,y分量全局zt0m/s网格速度,z分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