In this paper,the concept,phenomena and mechanism of nonlinear computational instability of the nonlinear evolution equations in numerical weather prediction are discussed.
简述了数值天气预报问题中非线性发展方程的非线性计算不稳定性的含义、数值计算现象以及计算不稳定产生的机理 ,给出了克服非线性计算不稳定的一个有效方法——平方守恒格
The comparative analysis for stability is carried out qualitatively and quantitatively for these schemes, and sum up thateasy to produce some things of nonlinear computational instability.
本文以一维非线性平流方程为模型，给出一个较普遍的差分格式（以往若于常见平流格式均为其特例），对格式进行定性和定量的稳定性分析与比较，总结出若干容易出现非线性计算不稳定的情况，特别强调了非线性计算稳定性与非线性发展方程解的性质和格式构造及初值形式的依赖关系，从稳定性的启发性分析侧面，揭示了非线性计算不稳定的特性和机理。
Discussion on the cross section types of high piers of bridge and stability calculation;
桥梁高墩截面形式探讨及其稳定性计算
The paper introduces the manufacture and the model for stability calculation of the GFRP(Glass Fiber Reinforced Plastic) supporter of pneumatic roofborer, and provides scientific basis for opimum design of the supporter.
本文介绍气动锚杆钻机玻璃钢支腿的制作,并建立其稳定性计算的数学模型,为优化锚杆钻机支腿的设计提供科学依据。
Based on the analysis of failure mode and stability calculation at Da-Gu Jian of Zi Gui town in Hubei province,it is possible that the high slope falls along the bed rock surface or collapses by soil mass.
通过对秭归县打鼓尖高切坡破坏模式的分析及稳定性计算,认为高切坡存在沿基岩滑动和第四纪垮塌的可能,结合工程地质条件和经济合理性,提出了相应的治理方案。
Heuristic method approach to the computational stability analysis of finite-difference equations;
启示性方法用于分析有限差分方程的计算稳定性(英文)
The computational stability of two kinds of general three time level schemes and two time level schemes are analyzed, a new method for judging the computational stability is given.
以最典型的非线性色散方程 Kd V方程为模型 ,着重讨论了两类较普遍的三时间层和二时间层差分格式的计算稳定性问题 ,给出了一种判定差分格式计算稳定性的新方法 ,数值试验证明是实用和有效的 ,得到的稳定性判据的确是保证差分格式计算的必要条件。
Based on the forced dissipative nonlinear evolution equations for describing the motion of atmosphere and ocean, the computational stability of the explicit difference scheme of the forced dissipative nonlinear atmospheric and oceanic equations is analyzed and the computationally stable explicit quasi complete square conservative difference scheme is constructed.
从描述大气和海洋运动的强迫耗散非线性发展方程出发 ,对强迫耗散非线性大气和海洋方程组显式差分格式的计算稳定性进行了分析 ,构造了一类强迫耗散非线性发展方程的显式准完全平方守恒差分格式。
Elastic buckling analysis of large span reticulated shell structures
大跨度空间网壳结构弹性稳定性计算
Study on the Criterions of Slope Stability Analysis with Shear Strength Reduction Method and the Computation of the Slope Stability of the Bank at the Longtan Harbor;
强度折减法边坡稳定分析失稳判据研究及龙潭港岸坡稳定性计算
Computation and assessment of aerodynamic stability of turbofan engine for missile
弹用涡扇发动机气动稳定性计算与评定
Caculation of stability of symmetrical I-Beam?with overhanging both ends
双悬臂对称工字形钢梁弹性稳定性计算
Stability calculation of multi layer filling dam of liufang embankment of the Huainan
淮南六方堤多层冲填土坝体滑动稳定性计算
Method of stability analysis of embedded large-diameter cylinder quay
沉入式大直径圆筒码头稳定性计算方法研究
Discussion on calculating method for stability of cable-stayed bridge with single tower and single cable plane
独塔单索面斜拉桥稳定性计算方法的探讨
CALCULATING FORMULAS FOR EQUIVALENT STIFFNESS AND STABILITY OF CURVED BAR SIMPLY SUPPORTED AT BOTH ENDS
两端简支弯曲杆件的等效刚度、稳定性计算公式
Calculation of Static Stress and Stability of Model JJ225/43-K Mast;
JJ225/43-K石油钻机井架强度及稳定性计算
Computerized Simulation and Experimental Study on the Stability of Milling Processes;
铣削加工过程稳定性计算机仿真及实验研究
Coating deposition is controlled by computer to ensure uniformity.
计算机全自动控制，工艺稳定，重复性好。
The Stability of Turing Maching in Computing Real Functions
图灵机计算实数函数的稳定性(英文)
A simplified calculation method for stability of bucket foundation breakwater
筒型基础防波堤稳定性简化计算方法
The Stability Analysis and Mooring System Calculation of the Tidal Power Stations;
潮流电站稳定性分析及锚泊系统的设计计算
Exploration of Stability Analysis and Design Calculation Methods of Surrounding Rocks in Soil Tunnel
土质隧洞围岩稳定性分析与设计计算方法探讨
Analysis of Controllability and Stability on Computer Pointing Devices;
计算机指点装置的操作可控性和稳定性分析
Calculation of Available Transfer Capability Considering Static Security and Saddle Node Bifurcation Stability
考虑静态安全性和鞍结分岔稳定性的ATC的计算
Analysis for determining trim,stability and controllability of tandem helicopter
纵列式直升机配平计算及稳定性、操纵性分析