{"paper":{"title":"Radiation hydrodynamics with Adaptive Mesh Refinement and application to prestellar core collapse. I Methods","arxiv_id":"1102.1216","primary_cat":"astro-ph.IM","submitted_at":"2011-02-07T00:25:04+00:00","version_compiled":"v3"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13-20260917 on the question bank abstract-p1-20260923, exactly as returned. 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quantities.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.84,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.03,"role_probabilities":{"gap":0.0,"method":0.97,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.03,"interpretation":0.0}},{"i":4,"p":1.0,"id":"s4","own":true,"role":"method","text":"We use the popular flux limited diffusion approximation, under the grey approximation (one group of photon).","hedge":{"p":1.0,"label":"asserted"},"own_p":0.66,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.42,"role_probabilities":{"gap":0.0,"method":1.0,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":5,"p":1.0,"id":"s5","own":true,"role":"method","text":"The solver is based on the second-order Godunov scheme of RAMSES for its hyperbolic part, and on an implicit scheme for the radiation diffusion and the coupling between radiation and 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tests.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.94,"main_claim_p":0.07,"quantitative":false,"quantitative_p":0.05,"role_probabilities":{"gap":0.0,"method":0.26,"result":0.56,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.17,"interpretation":0.01}},{"i":8,"p":0.73,"id":"s8","own":true,"role":"method","text":"For validation in 3D, we perform calculations of the collapse of an isolated 1 M_sun prestellar dense core, without rotation.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.96,"main_claim_p":0.06,"quantitative":true,"quantitative_p":0.94,"role_probabilities":{"gap":0.0,"method":0.73,"result":0.03,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.24,"interpretation":0.0}},{"i":9,"p":0.8,"id":"s9","own":true,"role":"result","text":"We compare successfully the results with previous studies using different models for radiation and 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