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A short history of the development of the LISA code is given, including the application to clay formation in cooperation with the Belgian CEN/SCK, the use of LISA within the Seabed Working Group, LISA applications in the CEC PAGIS exercise, the benchmarking activity conducted within the PSAC group and the joint code developments undertaken with the Spanish ENRESA. Recent developments of the package are illustrated, with particular reference to the new VAULT sub-model and the new geosphere module. The main characteristic of the VAULT sub-model is its capacity to handle element solubility, taking into account the presence of different isotopes. The new geosphere module (GTM-01) was designed to replace the TROUGH code, formerly used in LISA. A more user friendly LISA driver under development can read the input file and generate all the FORTRAN statements needed by the subsequent steps of the program. The goal of this study is to minimise the degree of modification of the system code due to input modification. The need for an improved modular structure and for more rigorous quality assurance procedures is stressed.

Additional information

Authors: SALTELLI A, JRC Ispra (IT);HOMMA T, JAERI, Tokai;PRADO P, CIEMAT, Madrid (ES);TORRES C, School of Nuclear Engineers, Madrid (ES)
Bibliographic Reference: Paper presented: Symposium on the Safety Assessment of Radioactive Waste Repositories, Paris (FR), Oct. 9-12, 1989
Availability: Available from (1) as Paper EN 35096 ORA
Record Number: 199010613 / Last updated on: 1994-12-01
Original language: en
Available languages: en