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- fourth order boundary problem 四阶边值问题
- The initial boundary value problem of fourth order wave equation with dispersive and dissipative terms is studied. 摘要研究具色散和耗散项的四阶波动方程的初边值问题。
- A class of singularly perturbed boundary value problem of weakly nonlinear equation for fourth order on the finite interval with two parameters is considered. 摘要讨论了一四阶具有双参数的弱非线性方程在有限区间上的奇摄动边值问题。
- A finite difference method with accuracies of fourth order in space and second order in time is proposed for time-periodic solutions of a nonlinear parabolic boundary value problem. 摘要建立了一个用于求解非线性抛物型方程时间周期解的有限差分方法,在空间和时间方向上该方法分别具有四阶和两阶精度。
- The existence of positive solutions is established for a superlinear singular boundary value problem of fourth order differential equations by using a fixed point theorem in a cone. 利用锥上的不动点定理给出了超线性四阶微分方程的奇异边值问题一种情况下的正解的存在性.
- fourth order singular boundary value problem 四阶奇异边值问题
- The elastic moduli Eijlm represents a tensor of the fourth order. 弹性模数Eijlm表示一个四阶张量。
- It reduces the problem of solving double harmonic equation to the problem of solving the fourth order Euler equation by applying transformation. 这种方法是用变换将解重调和方程问题化简为解四阶欧拉方程问题
- Concretely,the fourth order squeezing of the light field iis studied in detail. 我们详细研究了量子光场的四阶压缩特性,给出了四阶压缩的条件。
- The closed forms of lower order boundary moments and the affine invariants are derived. 导出了用物体角点坐标表示的低阶边界矩的闭合形式,构造了基于边界矩的仿射变换不变量。
- In this paper, we consider mixed boundary problem of P-laplacian equations in a bounded domain of RN. 摘要研究空间中有界区域混合边值问题的正解存在唯一性。
- fourth order singular boundary value problems 四阶奇异边值问题
- fourth order two point boundary value problems 四阶两点的边值问题
- An inverse problem of a free boundary problem which arised from the flow of non-Newtonian fluids is studied. 摘要讨论了由非牛顿流体流动引起的一类自由边值问题的一个反问题。
- We prove the asymptotic behavior of initial boundary problem for a class of quasilinear wave equation by energy method. 利用一个特殊的积分不等式得到一类拟线性波动方程初边值问题解的渐近性。
- It is also shown that the MBEM is expected to have good prospect in the movable boundary problem of noise radiation. 作者认为混合边界法在处理这类动边界声辐射问题上有着很好的应用前景。
- The method is(1) fully explicit (2) fourth order of accuracy in time (3) high orderof accuracy in space by changing only one parameter (4) easy to operate on massively parallelcomputers efficiently, and it is robust in proceeding numerical problem. ( )通过对测试方案的求解和分析,可以看出该方法有如下的优点:(1)完全显式格式(2)时间上的四阶精度(3)仅仅通过改变一个参数就可以获得空间上的高阶精度(4)易于在并行的计算机上有效的执行,而且该数值方案有较强的健壮性。
- We discuse Plemelj famula of hypermonogenic function in the real Clifford analysis,and its application in the boundary problem. 给出了超正则函数的定义;讨论了实Clifford分析中超正则函数的Plemelj公式;它在边值问题中有广泛的应用.
- high - order boundary value problem 高阶边值问题
- The chain consists of a dual-mode,highly linear,fourth order Chebyshev active RC filter and three VGA stages. 基带由双模的高线性度的四阶切比雪夫形式的有源RC低通滤波器以及三级可变增益放大器构成。