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1)  set-valued parabolic equation
集值抛物型方程
1.
This paper deals with a class of nonlinear discontinuous set-valued parabolic equations by the general monotone iterative method introduced by Lakschmikantham.
利用lakschmikantham提出的广义单调迭代法考虑了一类非线性集值抛物型方程的数值解法,利用序理论给出其迭代格式,论证了迭代解的收敛性。
2)  sideways parabolic equation
抛物型方程侧边值问题
1.
Some optimal error bounds in a sobolev spaceof regularized approximation solutions for a sideways parabolic equation, i.
文中给出了出现在实际问题中的一个抛物型方程侧边值问题,即一个含有对流项的非标准型逆热传导问题的正则逼近解一类Sobolev空间中的最优误差界。
3)  boundary value problem of parabolic differential equation
抛物型方程的边值问题
4)  parabolic partial differential equation
抛物型方程
1.
In this paper,the author studies the distribution of the solutions of the parabolic partial differential equations.
通过分部积分法、Cauchy不等式和Gronwall不等式来研究一类抛物型方程的解的分布情况,通过上述方法得出抛物型方程的能量模估计,最后由该能量模估计直接说明混合问题解的唯一性。
2.
A kind of finite volume element scheme for one dimensional parabolic partial differential equation with initial and Dirichlet boundary condition is presented,and it is proved that the scheme has second order convergence accuracy with respect to discrete L 2 norm and discrete H 1 seminorm.
针对一维抛物型方程初边值问题提出了一种新型的有限体积元格式 ,证明了该格式按离散 L2模及离散 H1半模具有二阶收敛精度 。
3.
An inverse problem for unknown source term in semilinear parabolic partial differential equation on bounded domain R n is considered in the following u t-Lu=φ(x,t)s(u)+γ(x,t), (x,t)∈Ω×(0,T), u(x,0)=u 0, x∈Ω, u n| Ω×(0,T) =g(x,t), u(x 0,t)=f(t), 0<t<T.
讨论了 Rn中有界域Ω上如下半线性抛物型方程未知源反问题ut- L u =φ(x,t) s(u) +γ(x,t) , (x,t)∈Ω× (0 ,T) ,u(x,0 ) =u0 , x∈Ω , u n| Ω× (0 ,T) =g(x,t) ,u(x0 ,t) =f (t) , 0
5)  parabolic equation
抛物型方程
1.
Identifying coefficient of the parabolic equation by using the optimization method;
利用优化方法确定抛物型方程的未知系数
2.
On a class of the solution of parabolic equations with nonlocal boundary conditions;
关于非局部边界条件抛物型方程组的解
3.
The well-posed problem of parabolic equations under second boundary condition;
第二边界条件下抛物型方程反问题解的适定性
6)  parabolic differential equation
抛物型方程
1.
A new alternating direction implicit difference method for three-dimensional parabolic differential equations with homogeneous boundary conditions;
三维齐次边界抛物型方程的新型交替方向差分格式
补充资料:抛物型偏微分方程
抛物型偏微分方程
parabolic type,partial differential equation of

   偏微分方程的一类。最典型的是热传导方程
   !!!P0137_1a>0)  (1)基本解是点热源的影响函数。若在t=0时在(ξ,η,ζ)处给定单位点热源,即u0x0y0z0,0)=δ(ξ,η,ζ)(δ为狄拉克函数),则当t>0时便引起在R3的温度分布,这就是基本解。用傅里叶变换可得到它的表达式!!!P0137_2
    !!!P0137_3
    热传导方程初值问题的解可用基本解叠加而成,即!!!P0137_4的解为!!!P0137_5!!!P0137_6
   极值原理:一个内部有热源的传导过程,它的最低温度一定在边界上或初始时刻达到。更强的结论是 :如果tT时在Ω内某一点达到最低温度 ,则在这个时刻以前(tT时)u≡常数  ;又:若最低温度在tT时边界Ω上某点P达到,则在这点上!!!P0137_7PΤ<0(n为外法线方向)。
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