Total Oscillation Dimishing Property for Scalar Conservation Laws

نویسندگان

  • BENOÎT PERTHAME
  • MICHAEL WESTDICKENBERG
چکیده

Abstract. We prove a BV estimate for scalar conservation laws that generalizes the classical Total Variation Diminishing property. In fact, for any smooth function Φ, we have that Φ(u) is TVD with the correct definition of the initial seminorm. We call this property Total Oscillation Diminishing. The reason being that it is in contradiction with the oscillations observed recently on some numerical computations based on TVD schemes.

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تاریخ انتشار 2004