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热传导
    Analysis of H~1-Galerkin Mixed Finite Element Method For a Heat Conductive Equation
    一类热传导方程的H~1-Galerkin混合有限元分析
    STRUCTURAL OPTIMAL DESIGN OF HEAT CONDUCTIVE BODY WITH TOPOLOGY OPTIMIZATION METHOD
    用拓扑优化方法进行热传导散热体的结构优化设计
    A semi-discrete H~1-Galerkin mixed finite element approximation scheme of a heat conductive equation is given,and optimal error estimates between the approximation solution and the exact solution in L~2-norm,H~1-norm are obtained.
    采用H1 Galerkin混合有限元方法对一类热传导方程的初边值问题,提出了半离散H1 Galerkin混合有限元格式,通过误差分析,得到H1 Galerkin混合有限元解与真解的L2模和H1模的最优阶误差估计.
    Based on the heat conductive equation and its boundary,the analytical solutions of interior temperature field and thermal deformation of YVO_4-Nd∶YVO_4 composite crystal were obtained.
    利用热传导方程,得出了YVO4-Nd∶YVO4复合晶体内部温度场及端面热形变的一般解析表达式。
    The mechanical and heat conductive parameters were measured, which showed that the heat conduction of the third material was slightly higher.
    测量了三种材料的力学参数和热传导参数。
    In the paper,with system energy balance method and heat conductive equations,on tne basis of short time heat transfer modeling established the long time modeling , considering heat interference in thermal well group.
    本文采用系统能量平衡结合热传导方程,在浅埋套管式换热器短期传热模型基础上建立了长期传热模型,并考虑了管群热干扰对模型的影响。
    The geometric factor is defined by solving the heat conductive equation, which describes the temperature characteristics in the case of the constant heat transferring coefficient.
    首先由热传导方程导出了求解热传导率随温度改变的部件的温升方程。
    Tissue heat conductive equation is set up based on two-layered structure model. Finite difference algorithm is utilized to numerically simulate the temperature distribution in the brain tissue.
    最后以两层组织模型为基础,建立了颅脑组织热传导方程,用有限差分法求解组织内温度场分布。
    The heat conductive equations of coat and substrate materials under laser beam radiations are solved using the method of integral transformation, and the 3D temporal distribution of temperature is given under the some approximations.
    本文采用积分变换法求解了在激光束辐照下涂层和基体材料中的热传导方程,并在一定的近似条件下,给出了温度场的三维、瞬时分布。
    This paper investigates nonlinear transient heat conductive problem of composite laminates under various types of heat conductive boundary conditions by using a mixed finite element method based on the recursive algorithm in the time dimension.
    采用在时间域内迭归算法为基础的混合有限元法分析了具有各种温度边界条件下复合材料层合板非线性热传导问题。
    On the basis of heat conductive theory, the longitudinal temperature distribution and its influence on the critical temperature rise in F-P cavity in which thermo-optical bistability can be formed were discussrd.
    本文从热传导理论出发,讨论了产生热-光双稳态的F-P腔内的纵向温度分布及其对临界温升的影响。
    A heat conductive governing equation of including phase transformation is put forward. All property coeffients are considered as nonlinear function of temperature. Transient temperature field of 45 steel test sample is calculated by means of finite element method.
    在此基础上给出了以水为淬火介质时边界条件的数学模型,将碳钢淬火时发生的马氏体相变视作有一个内热源作用在金属物体内部,给出了包含相变条件的热传导控制方程,所涉及的物性系数均为温度的非线性函数,对45钢零件进行了瞬态温度场的计算,得出了一些结论。
    Melting Temperature of Biomolecule Chain and threshold of irradiation time at which laser act on organism that causes meIting chain of biomolecule has been advanced by means of fractal dimension theory and heat conductive theory in this paper.
    藉助分形分维理论和热传导理论,提出了生物分子的解链温度及激光辐照生物体而使生物分子解链的时间门槛值。
    Based on the empirical correlation(TH = f(T)) between the bottom temperature(TH) and the corresponding vertical average temperature(T) as from reference 1, and combined with hydrodynamical and heat conductive (vertical average) equations, a two-dimensional numerical prediction model for the bottom temperature is constructed with the known variables of the difference between air and sea temperature and wind speed.
    根据文献[l]建立的底层温度(TH)与其水柱垂向平均温度()的经验关系,结合流体动力学方程和(垂向平均)热传导方程,发展了以水气温差和风速为已知量的底层温度二维数值预报模式。
    According to the cure kinetic theory and the heat conductive theory,the distribution of temperature and degree of cure and their laws of rariation in the composite laminates are simulated during the curing process by the finite element method and the finite difference method.
    本文根据固化动力学理论和热传导理论,采用有限元与有限差分相结合的方法,对复合材料层合板在固化工艺过程中板内温度和固化度的分布及其变化规律进行数值模拟;
    Instead of using Force-Restore method, the heat conductive equation is used in the MSiB model to get soil temperatures at different depths. Since the MSiB model is aimed to be used not only over the vegetated surfaces but also over deserts where water vapor movement dominants, the water vapor diffusion equation and Darcy′s water flow equation are used simultaneously.
    土壤温度使用求解热传导方程得到,土壤湿度使用了水汽扩散方程、 Darcy 的水流方程同时求解得到,目的是使简单生物圈模式既能在有植被下垫面使用,又能扩展到考虑水汽运动的沙漠地区使用。
    The problem of high-power laser heating up the moving body was studied using the heat conductive theory and the underlying relationship among the surface temperature, the diameter of the light spot, the depth of focus and the moving speed of the body was gained.
    利用热传导理论分析了激光物体相对运动情况下相互作用机理 ,得出了物体在熔化、汽化过程中表面温度与光斑尺寸、焦深及相对运动速度之间的关系 .
    An effective evolutionary method for solving the structural topology design problems of heat conductive fields is presented.
    提出用进化方法求解热传导场拓扑优化设计问题;
 

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