Shesheng Zhang

Spatial Statistics Parallel Computing Model of Stock

The research of stare is useful for country and people. A space share rising statistical parallel model is built by using statistical theory. The formula of correlation between stock prices is given. The regression equation with space coordination is obtained.

The Lager Ship Fluid-Solid Coupling Parallel Algorithm Based on VOSS Mapping Theory

The fluid-solid coupling hydrodynamics parallel model of large ship is built based on VOSS mapping theory. The VOSS algorithm of large ships wave is given, and the control equation and initial boundary conditions are derived from fluid hydrodynamic theory and solid elastic theory. The numerical results show the VOSS transfer of ship fluid-solid coupling wave is not same as coming see wave.

Large Ship Fluid-Structure Coupling Deformation Calculation Based on Large Deviation Theory

Study of ship deformation accumulation for a long time is of practical significance. According to the initial-boundary value problem of the deformation of the ship, large deviation theory gives the deformation time series convergence theorem, which deduces the convergence rate formula of discrete deformation. The convergence speed of the actual example is attached.

A Research Ship Characteristic Length Model Based on Statistical Theory

Ship characteristic length directly affects the development plans of the company. Based on the statistical theory, a data categorical statistical model is build for ship length research. The sub division calculation method is given, and the statistical subsection regression is calculated between ship length, time and GDP. At last, The data of ship characteristic length is forecasted for 2020 year.

Weis-Fogh Wave Power Electricity Generation Device Optimization Parallel Model

Based on the high lift generated by Weis-Fogh mechanism, two stage wave power electricity generation device is designed, a size objective optimization model of parallel computation is established, the formula of Green function is obtain, and hydrodynamics is calculated by using parallel computer.

A Parallel Algorithm of Green Function with Free Water Surface

According to the convenient using principle of parallel computation, the control equation and boundary condition of point source with free water surface are given, the basic analyzing solution is obtained, the Green function representation is discussed., the discrete calculation expression and calculation procedure are proposed with parallel computer, two-dimensional graphics of the Green functions real and imaginary part are plotted.

A Numerical Fluid-Solid Coupling Model for the Dynamics of Ships in Atrocious Sea Conditions

Adopting fluid dynamics theory and time-dependent solid dynamics theory of ship, the fluidsolid coupling dynamics numerical model is built. The linear fluid-solid coupling equation is derived from ship surface integral formula. The time-dependent hull displacement is calculated by solving the non-linear elastic equations. The results show that Green function has some interesting properties, and that the maximal displacement will appear when the wave-hull resonance number becomes an integer.

Parallel Numerical Model of Water Lubricated Rubber Bearing

Study on water lubricated rubber bearing has important theoretical significance and applied value in military affairs. This paper builds a low noise composite rubber bearing parallel computing model, and drives the difference equations of bearing displacement. According to the step values, the parallel computing algorithm is given, and the convergence time t varied with time step length is obtained.

Computing Green's Function for the Free Water Surface near Ship with Large Parameter by Using Parallel Computer

Near ship water field, computing Greens Function with large parameter is discussed, the differential equation and boundary condition are considered by using Dirac delta function, and analyzing solution is represented as integration. The convergence series is obtain for large parameter, and parallel computing results show that convergence speed is high.

A Parallel Grey Theoretic Model of Inland Water Transport Management

Development of inland water transport management is the major macroeconomic research of the transport. Using grey theory method, GM (1,1) management parallel calculation model is established. The model analysis the growth rate of highway, waterway and railway, forecasts the trend of the carrying capacity of water transportation, inland waterways mileage and high-grade waterways mileage in China.