1ded9b81dSJeremy L Thompson // Copyright (c) 2017-2021, Lawrence Livermore National Security, LLC. 2ded9b81dSJeremy L Thompson // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707. 3ded9b81dSJeremy L Thompson // All Rights reserved. See files LICENSE and NOTICE for details. 4ded9b81dSJeremy L Thompson // 5ded9b81dSJeremy L Thompson // This file is part of CEED, a collection of benchmarks, miniapps, software 6ded9b81dSJeremy L Thompson // libraries and APIs for efficient high-order finite element and spectral 7ded9b81dSJeremy L Thompson // element discretizations for exascale applications. For more information and 8ded9b81dSJeremy L Thompson // source code availability see http://github.com/ceed. 9ded9b81dSJeremy L Thompson // 10ded9b81dSJeremy L Thompson // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11ded9b81dSJeremy L Thompson // a collaborative effort of two U.S. Department of Energy organizations (Office 12ded9b81dSJeremy L Thompson // of Science and the National Nuclear Security Administration) responsible for 13ded9b81dSJeremy L Thompson // the planning and preparation of a capable exascale ecosystem, including 14ded9b81dSJeremy L Thompson // software, applications, hardware, advanced system engineering and early 15ded9b81dSJeremy L Thompson // testbed platforms, in support of the nation's exascale computing imperative. 16ded9b81dSJeremy L Thompson 17ded9b81dSJeremy L Thompson use libceed::prelude::*; 18ded9b81dSJeremy L Thompson 19ded9b81dSJeremy L Thompson // ---------------------------------------------------------------------------- 20ded9b81dSJeremy L Thompson // Transform mesh coordinates 21ded9b81dSJeremy L Thompson // ---------------------------------------------------------------------------- 22*80a9ef05SNatalie Beams pub(crate) fn transform_mesh_coordinates(dim: usize, mesh_coords: &mut Vector) -> Scalar { 23ded9b81dSJeremy L Thompson // Transform coordinates 24ded9b81dSJeremy L Thompson mesh_coords.view_mut().iter_mut().for_each(|coord| { 25ded9b81dSJeremy L Thompson // map [0,1] to [0,1] varying the mesh density 26ded9b81dSJeremy L Thompson *coord = 0.5 27*80a9ef05SNatalie Beams + 1.0 / (3.0 as Scalar).sqrt() 28*80a9ef05SNatalie Beams * ((2.0 / 3.0) * std::f64::consts::PI as Scalar * (*coord - 0.5)).sin() 29ded9b81dSJeremy L Thompson }); 30ded9b81dSJeremy L Thompson 31ded9b81dSJeremy L Thompson // Exact surface area of transformed region 32ded9b81dSJeremy L Thompson let exact_area = match dim { 33ded9b81dSJeremy L Thompson 1 => 2.0, 34ded9b81dSJeremy L Thompson 2 => 4.0, 35ded9b81dSJeremy L Thompson _ => 6.0, 36ded9b81dSJeremy L Thompson }; 37ded9b81dSJeremy L Thompson exact_area 38ded9b81dSJeremy L Thompson } 39ded9b81dSJeremy L Thompson 40ded9b81dSJeremy L Thompson // ---------------------------------------------------------------------------- 41