## THERMAL SCIENCE

International Scientific Journal

### HAAR WAVELETS SCHEME FOR SOLVING THE UNSTEADY GAS-FLOW IN 4-D

**ABSTRACT**

The system of unsteady gas-flow of 4-D is solved successfully by alter the possibility of an algorithm based on collocation points and 4-D Haar wavelet method. Empirical rates of convergence of the Haar wavelet method are calculated which agree with theoretical results. To exhibit the efficiency of the strategy, the numerical solutions which are acquired utilizing the recommended strategy demonstrate that numerical solutions are in a decent fortuitous event with the exact solutions.

**KEYWORDS**

PAPER SUBMITTED: 2019-01-01

PAPER REVISED: 2019-06-15

PAPER ACCEPTED: 2019-06-22

PUBLISHED ONLINE: 2019-07-06

**THERMAL SCIENCE** YEAR

**2020**, VOLUME

**24**, ISSUE

**Issue 2**, PAGES [1357 - 1367]

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