An Introductory Review of Numerical Methods for Ground Thermal Regime Calculations

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TypeArticle
Journal titlePaper, Division of Building Research, National Research Council Canada
ISSN0381-4319
Issue1061
Pages32
Subjectsoils; surface temperature; heat transfer; numerical calculation; literature review; ground temperature calculations; conduction heat flow; finite difference methods; finite element methods; freezing - thawing treatment methods; ground surface heat balance components; temperature superficielle; transfert de chaleur; calcul numerique
AbstractThis paper reviews the literature on numerical methods for ground temperature calculations. In addition, an introductory discussion of both finite difference and finite element methods for conduction heat flow is given. The mathematical description has deliberately been kept readable and yet sufficient detail has been given to make comprehensible the main notions of these methods as well as their practical realization. Methods of treating freezing and thawing are discussed. The description is confined to the relatively simple case of "in situ" phase change. The paper closes with a presentation of formulae for estimating the components of the ground surface heat balance and discusses some of the difficulties that arise in their application as a boundary condition for practical numerical model computations.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-P-1061
NRC number20742
1525
NPARC number20386153
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Record identifierd3a860d1-d749-48dc-94af-2a35ea9b02cd
Record created2012-07-25
Record modified2016-05-09
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