How to avoid the stress distribution in static Analysis

Hi Everyone,

I have a model for support structure carrying hot fluid of 5oo Celsius and load of 2000 N of load on the same facets shown in color of green and red Scattered.

The stress Distribution of the model is depicted. Kindly share your valuable suggestions/Feedback.

Immediate reply will be appreciated.

With Regards

Saravanan R

SolidworksSimulation