The present study deals with spatially homogeneous and totally anisotropic Bianchi type-VI 0 bulk viscous cosmological models in Lyra geometry. The Einstein's field equations have been solved exactly by taking the shear (r) in the model proportional to expansion scalar ðhÞ which leads to A = B n , where A and B are metric functions and n is a positive constant (n [ 1). We also adopt a condition fh ¼ L (constant) where f is the coefficient of bulk viscosity. It has been found that the displacement vector (b) is a decreasing function of time and it approaches to a small positive value at late time which is supported by recent observations. It is also found that the distance modulus curve of derived model matches with observations perfectly.
In this paper we have obtained axially symmetric Bianchi type-I cosmological models for perfect fluid distribution in the context of Lyra's manifold. Exact solutions of the field equations are obtained by assuming the expansion in the model is proportional to the shear. This leads to the condition n B A where A and B are scale factors and) 0 ( n is a constant. Some kinematical and physical parameters of the model have been discussed. The solutions are compatible with recent observations.
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