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FURTHER BENCHMARK EXERCISES TO COMPARE GEOMECHANICAL COMPUTER CODES FOR SALT

Objetivo

RESEARCH INTO GEOMECHANICAL ASPECTS OF RAW REPOSITORIES IN SALT FORMATIONS HAS BEEN ACTIVE IN THE EUROPEAN COMMUNITY FOR NEARLY TWO DECADES, WITH PARTICULAR INTEREST BEING PLACED ON PROBLEMS OF HEAT PRODUCING WASTE. CENTRAL TO THIS WORK IS THE PREDICTION OF STRESSES AND DEFORMATIONS IN THE HOST STRATA, FOR WHICH A NUMBER OF COMPUTER CODES HAVE BEEN USED /1/. A PRELIMINARY EXERCICE ("COSA 1") TO COMPARE THE ABILITY OF THE DIFFERENT CODES /2/ PROVIDED A LIMITED "SNAPSHOT" OF THE EUROPEAN CAPABILITY TO PREDICT THE BEHAVIOUR OF ROCK SALT UNDER WELL DEFINED CONDITIONS. THE PURPOSE OF THE PRESENT CONTRACT IS TO EXTEND THE COMPARISON TO MORE COMPLEX BUT REALISTIC SITUATIONS.
COMPARISON PROBLEMS IN COSA 1 WERE RELATIVELY SIMPLE, AND A NUMBER OF DIFFICULTIES TO DO WITH MODELLING THE IN-SITU BEHAVIOUR OF ROCK SALT WERE DELIBERATELY AVOIDED. THE PRESENT EXERCISE IS DIRECTED AT COMPARISONS OF REALISTIC, ALBEIT RELATIVELY SHORT-TERM, IN-SITU BEHAVIOUR. EMPHASIS IS PLACED ON THE REQUIREMENT TO PREDICT (RATHER THAN REPLICATE) REAL-LIFE BEHAVIOUR AND INDIVIDUAL PARTICIPANTS ARE ALLOWED CONSIDERABLE FREEDOM TO CHARACTERISE THE PHYSICAL SITUATION AND MATERIAL BEHAVIOUR ACCORDING TO THE DICTATES OF THEIR EXPERIENCE.
THERE ARE 10 PARTICIPANTS IN THE EXERCISE, EACH ACTING AS A SUB-CONTRACTOR TO THE COORDINATOR. IN ADDITION TWO INDEPENDENT EXPERTS PROVIDE ADVICE AS NECESSARY ON ASPECTS OF SALT RHEOLOGY (TABLE 1).

B1. TO AGREE, AT PLENARY MEETINGS, SUITABLE IN-SITU BENCHMARK PROBLEM(S) TO BE SOLVED BY PARTICIPANTS.
B2. CO-ORDINATOR TO PREPARE DISCUSSION DOCUMENTS AND CIRCULATE TO PARTICIPANTS AS NECESSARY.
B3.CO-ORDINATOR TO PREPARE AND CIRCULATE DETAILED SPECIFICATIONS OF AGREED PROBLEM(S).
B4. PARTICIPANTS TO SOLVE AGREED BENCHMARK PROBLEM(S) TO THE BEST OF THEIR ABILITY USING APPROPRIATE CODES, ACCORDING TO THE SPECIFICATIONS PRODUCED BY THE CO-ORDINATOR.
B5. CO-ORDINATOR TO COLLECT AND COMPILE RESULTS AND OTHER DATA FROM PARTICIPANTS.
B6. CO-ORDINATOR TO PREPARE DRAFT REPORTS FOR DISCUSSION AT PLENARY MEETINGS TO BE HELD APPROXIMATIVELY EVERY SIX MONTHS.
B7. CO-ORDINATOR TO PREPARE AND ISSUE FINAL REPORTS TAKING ACCOUNT OF PARTICIPANTS'COMMENTS.

Tema(s)

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Convocatoria de propuestas

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Régimen de financiación

CSC - Cost-sharing contracts

Coordinador

Atkins Wootton Jeffreys Consultants Ltd
Aportación de la UE
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Dirección
Woodcote Grove Ashley Road
KT18 5BW Epsom
Reino Unido

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Coste total
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