Investigation of multi-dimensional computational models for calculating pollutant transport

Conference · Tue Jan 01 00:00:00 EST 1980

OSTI ID:5278154

Pepper, D W; Cooper, R E; Baker, A J

A performance study of five numerical solution algorithms for multi-dimensional advection-diffusion prediction on mesoscale grids was made. Test problems include transport of point and distributed sources, and a simulation of a continuous source. In all cases, analytical solutions are available to assess relative accuracy. The particle-in-cell and second-moment algorithms, both of which employ sub-grid resolution coupled with Lagrangian advection, exhibit superior accuracy in modeling a point source release. For modeling of a distributed source, algorithms based upon the pseudospectral and finite element interpolation concepts, exhibit improved accuracy on practical discretizations.

• Research Organization: Du Pont de Nemours (E.I.) and Co., Aiken, SC (USA). Savannah River Lab.; Tennessee Univ., Knoxville (USA)
• DOE Contract Number: AC09-76SR00001
• OSTI ID: 5278154
• Report Number(s): DP-MS-80-13; CONF-800492-1; TRN: 80-012762
• Resource Relation: Conference: Southeastern conference on theoretical and applied mechanics, Knoxville, TN, USA, 17 Apr 1980
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
AIR POLLUTION
ENVIRONMENTAL TRANSPORT
MATHEMATICAL MODELS
ADVECTION
ALGORITHMS
DIFFUSION
EXPERIMENTAL DATA
LAGRANGIAN FUNCTION
POLLUTION SOURCES
DATA
FUNCTIONS
INFORMATION
MASS TRANSFER
MATHEMATICAL LOGIC
NUMERICAL DATA
POLLUTION
500200* - Environment
Atmospheric- Chemicals Monitoring & Transport- (-1989)
500300 - Environment
Atmospheric- Radioactive Materials Monitoring & Transport- (-1989)