2) Conduction-convection problems
热传导-对流问题
1.
In this paper, a Galerkin/Petrov-least squares mixed finite element method for the stationary conduction-convection problems is presented and analyzed.
引言 热传导-对流问题是大气动力学中的一个重要的方程,这个方程组也称为强迫耗散的非线性系统方程组,其较Navier-Stokes方程多了一个未知函数温度场,且温度与速度和压力之间存在着复杂的非线性关系。
2.
In this paper, a nonlinear Galerkin mixed element method, a Galerkin/Petrov-least squares-type mixed finite element method and a nonlinear Galerkin/Petrov-least squares mixed element method for the stationary conduction-convection problems are presented and analyzed, respectively.
本文分别给出了定常的热传导-对流问题的非线性Galerkin混合元法、Galerkin/Petrov最小二乘混合元法和非线性Galerkin/Petrov最小二乘混合元法,并证明这些方法的解的存在唯一性和收敛性。
3) unsteady advection-diffusion problem
非定常对流-扩散问题
4) unsteady heat conduction
非定常热传导
1.
Method\ According to axisymmetric unsteady heat conduction equation of orthogonal aniso tropic material and boundary conditions, the equilibrium equation of a system of finite elements is deduced with triangular element of high accuracy, and programs are designed.
方法根据均匀正交各向异性材料轴对称热传导方程及其边界条件,利用变分法及欧拉理论,选取6节点的高精度三角形单元类型,推导了一般轴对称非定常热传导有限元基本方程。
5) heat condution problem
热传导问题
1.
Heat Condution Problem with Source in the Bounded Space;
含有非齐次边界条件的有源热传导问题
2.
In the paper, a solution for heat condution problem in an infinitely long bar with composite transform method is obtained, which derived from Fourier transform and Laplace transform.
应用拉普拉斯变换法和傅里叶变换法的特点 ,提出复合变换法 ,并应用复合变换法求解无界杆的热传导问题 。
补充资料:热传导理论的接触问题
热传导理论的接触问题
ontact problems of the theory of heat conduction
热传导理论的接触问题【c佣加dp找由Iems of theth份ry of heata润日11州仍;Ko“Ta“Tll‘配3a皿a,“Teop“N Te-llJ0llPO.0皿妞oCTll} 当物质不均匀受热时,即由具有不同的热传导系数人,不同的热容量系数c和不同的密度系数p几部分组成时,有关热传播的问题(对椭圆型和抛物型方程分别是定常的和非定常的).微分方程中的系数k、c、p有第一类间断.这导致问题的解有弱间断,即温度‘r是连续的,而导数商则是间断的.但是,热流w是定义成连续的. 例如,设有一玲fx(0
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条