A group analysis via weak equivalence transformations for a model of tumor encapsulation

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Abstract

A symmetry reduction of a PDEs system, describing the expansive growth of a benign tumour, is obtained via a group analysis approach. The presence in the model of three arbitrary functions suggests the use of Lie symmetries by using the weak equivalence transformations. An invariant classification is given which allows us to reduce the initial PDEs system to an ODEs system. Numerical simulations show a realistic enough description of the physical process.
Lingua originaleEnglish
pagine (da-a)3835-3846
Numero di pagine12
RivistaJOURNAL OF PHYSICS. A, MATHEMATICAL AND GENERAL
Volume37
Stato di pubblicazionePublished - 2004

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Physics and Astronomy(all)

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