The SECO suite of codes for site performance assessment. [Sandia-ECOdynamics]
Technical Report
·
OSTI ID:5412235
- Ecodynamics Research Associates, Albuquerque, NM (United States)
Modeling for Performance Assessment of the Waste Isolation Pilot Plant (WIPP) has led to development of the SECO suite of codes for groundwater flow, particle tracking, and transport. Algorithm and code developments include the following areas: facilitation of grid convergence tests in multiple domains; correct treatment of transmissivity factors for unconfined aquifers; efficient multigrid algorithms; a formulation of brine Darcy flow equations that uses freshwater head as the dependent variable; boundary-fitted coordinates; temporal high order particle tracking; an efficient and accurate implicit Finite Volume TVD algorithm for radionuclide transport in (possibly) fractured porous media; accurate calculation of advection via a flux-based modified method of characteristics; and Quality Assurance procedures.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 5412235
- Report Number(s):
- SAND-93-7007; ON: DE94008829
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
052002* -- Nuclear Fuels-- Waste Disposal & Storage
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
ALPHA-BEARING WASTES
ENVIRONMENTAL TRANSPORT
FLOW MODELS
FUNCTIONAL MODELS
GROUND WATER
HYDROGEN COMPOUNDS
HYDROLOGY
MANAGEMENT
MASS TRANSFER
MATERIALS
MATHEMATICAL MODELS
NATIONAL ORGANIZATIONS
NUCLEAR FACILITIES
OXYGEN COMPOUNDS
PILOT PLANTS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE DISPOSAL
RADIOACTIVE WASTE FACILITIES
RADIOACTIVE WASTE MANAGEMENT
RADIOACTIVE WASTES
RADIONUCLIDE MIGRATION
SITE CHARACTERIZATION
UNDERGROUND DISPOSAL
UNDERGROUND FACILITIES
US DOE
US ORGANIZATIONS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES
WATER
WIPP
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
ALPHA-BEARING WASTES
ENVIRONMENTAL TRANSPORT
FLOW MODELS
FUNCTIONAL MODELS
GROUND WATER
HYDROGEN COMPOUNDS
HYDROLOGY
MANAGEMENT
MASS TRANSFER
MATERIALS
MATHEMATICAL MODELS
NATIONAL ORGANIZATIONS
NUCLEAR FACILITIES
OXYGEN COMPOUNDS
PILOT PLANTS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE DISPOSAL
RADIOACTIVE WASTE FACILITIES
RADIOACTIVE WASTE MANAGEMENT
RADIOACTIVE WASTES
RADIONUCLIDE MIGRATION
SITE CHARACTERIZATION
UNDERGROUND DISPOSAL
UNDERGROUND FACILITIES
US DOE
US ORGANIZATIONS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES
WATER
WIPP