Accession Number : AD0713444

Title :   SUMMAC - A NUMERICAL MODEL FOR WATER WAVES.

Descriptive Note : Technical rept.,

Corporate Author : STANFORD UNIV CALIF DEPT OF CIVIL ENGINEERING

Personal Author(s) : Chan,Robert K. -C. ; Street,Robert L.

Report Date : AUG 1970

Pagination or Media Count : 170

Abstract : The work focuses on the numerical studies of large water waves with particular application to storm-generated waves and tsunamis. The specific objective is the exact simulation on a digital computer of nonlinear waves in the shallow water zones. The study is based on the simulation technique called SUMMAC (the Stanford-University-Modified-Marker-And-Cell Method). The flow field is represented by a rectangular mesh of cells and a line of hypothetical particles which defines the free surface. Finite-difference Navier-Stokes equations are used as the governing equations of the velocity fields while the pressure field is obtained by solving a finite-difference Poisson's equation. The currently implemented SUMMAC is limited to waves that are non-breaking and non-turbulent. (Author)

Descriptors :   (*WATER WAVES, MATHEMATICAL MODELS), OCEAN WAVES, WAVE FUNCTIONS, VELOCITY, EQUATIONS OF MOTION, DIFFERENCE EQUATIONS, SIMULATION, COMPUTER PROGRAMS

Subject Categories : Physical and Dynamic Oceanography
      Computer Programming and Software

Distribution Statement : APPROVED FOR PUBLIC RELEASE