27th International Meshing Roundtable Part 1: High order Adapted Meshes P2 Mesh Optimization Operators Isometric Embedding of Curvilinear Meshes Defined on Riemannian Metric Spaces Defining a Stretching and Alignment Aware Quality Measure for Linear and Curved 2D Meshes Curvilinear Mesh Adaptation Part 2 : Mesh and Geometry Blocks Hex mesh generation A 44 Element Mesh of Schneiders Pyramid: Bounding the Difficulty of Hex Meshing Problems Representing Three dimensional Cross Fields Using 4th Order Tensors Medial Axis Based Bead Feature Recognition for Automotive Body Panel Meshing An Angular Method with Position Control for Block Mesh Squareness Improvement Dual Surface Based Approach to Block Decomposition of Solid Models Automatic Blocking of Shapes using Evolutionary Algorithm Multi block mesh refinement by adding mesh singularities Part 3: Simplicial Meshes Tuned Terminal Triangles Centroid Delaunay Algorithm for Quality Triangulation Local Bisection for Conformal Reﬁnement of Unstructured 4D Simplicial Meshes A Construction of Anisotropic Meshes Based on Quasi Conformal Mapping Terminal Star Operations Algorithm for Tetrahedral Mesh Improvement Part 4: Curved High Order Meshes Towards Simulation Driven Optimization of High Order Meshes by the Target Matrix Optimization Paradigm Curving for Viscous Meshes An Angular Approach to Untangling High Order Curvilinear Triangular Meshes Imposing Boundary Conditions to Match a CAD Virtual Geometry for the Mesh Curving Problem Part 5: Parallel and Fast Meshing Methods Exact Fast Parallel Intersection of Large 3 D Triangular Meshes Performance Comparison and Workload Analysis of Mesh Untangling and Smoothing Algorithms Accurate Manycore Accelerated Manifold Surface Remesh Kernels Parallel Performance Model for Vertex Repositioning Algorithms and Application to Mesh Partitioning Discrete Mesh Optimization on GPU Mesh Morphing for Turbomachinery Applications Using Radial Basis Functions The International Meshing Roundtable (IMR) brings together researchers developers and application experts in a variety of disciplines from all over the world to present and discuss ideas on mesh generation and related topics. The technical papers in this volume present theoretical and novel ideas and algorithms with practical potential as well as technical applications in science and engineering geometric modelling computer graphics and visualization