Stress - strain effect of lorentz s force 洛仑兹力的应力应变效应
The procedure to modify the sss code is as follow : at first the hom eos ( equation of state ) is replaced by the sesame eos , secondly the magnetic force is added to the momentum equation , the ohmic heating rate is added to the energy conservation equation 对sss程序改造过程大致如下:首先以sesame数据库物态方程替换sss程序原有的物态方程;其次在动量守恒方程中加上洛仑兹力项,在能量守恒方程中加上单位质量焦耳加热项,通过麦克斯韦方程推导出磁扩散方程。
This text expanded the magnetoelastic stability issue of current - carrying component from coil , pole piece to thin current - carrying plates , and used special function to differentiate the critical state of losing magnetoelastic steady , the number value of getting the relevant parameter is solved . the text derives and provides the magnetoelastic movement equation of thin current - carrying plates , the geometry equations and the physics equations , the expression formula of lorent ’ s force , electro dynamics equation through the theory at first 本文将载流构件磁弹性稳定问题由线圈、杆件拓展到载流薄板,并引入特殊函数判别磁弹性稳定问题的失稳临界状态,得到了相关参量的数值关系。首先通过理论推导给出了载流薄板的磁弹性动力学方程,几何与物理方程,洛仑兹力的表达式,电动力学方程。
For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field , by establishing the equations of motion , the equations of distortion , the equations of lorentz force , the equations of electronic dynamic mechenical , and adopting iterative method , we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell , and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field 摘要为了获得内边界固定的环形导电薄板在均布力与横向磁场作用下的变形问题的数值解,通过建立运动方程、变形方程、电动力学方程和洛仑兹力方程,运用迭代法得出了载流板壳的非线性磁弹性的计算方法和结果,以及机械场、电磁场对铁质变厚度圆板各力学参量的影响程度。