Virtual Environmental for Reactor Analysis (VERA) benchmark was released by the Consortium for Advanced Simulation of Light water reactors (CASL) project in 2012. VERA benchmark includes more than ten problems at different levels. from 2D fuel pin case to 2D fuel assembly case to 3D core refuelling case. in addition. https://www.ashleyshomestores.shop/product-category/twin-storage-bed-w-bookcase-hdbd/