Abstract: The present disclosure provides a system and method for the development and manipulation of three-dimensional voxel-based models. The method includes accessing, by a processor of a computing device, a subdivision surfacing geometry (SubD) model and converting a portion of features of the SubD model to a voxel model. The method includes accessing a texture for application to the voxel model and combining the texture and the voxel model to create a textured voxel model. The method includes determining displacement maps determined based in part on a difference between a surface portion of the voxel model and a surface portion of the SubD model and applying the displacement maps to the surface portion of the SubD model to determine a second SubD model where the second SubD model is configured for manipulation while preserving a visual aesthetic and a geometric placement of the added texture.

Abstract: The present disclosure provides a system and method for the development and manipulation of three-dimensional voxel-based models. The method includes accessing, by a processor of a computing device, a subdivision surfacing geometry (SubD) model and converting a portion of features of the SubD model to a voxel model. The method includes accessing a texture for application to the voxel model and combining the texture and the voxel model to create a textured voxel model. The method includes determining displacement maps determined based in part on a difference between a surface portion of the voxel model and a surface portion of the SubD model and applying the displacement maps to the surface portion of the SubD model to determine a second SubD model where the second SubD model is configured for manipulation while preserving a visual aesthetic and a geometric placement of the added texture.

Abstract: Low viscosity, high concentration drag reducing agents may be prepared by slowly adding a liquid, non-solvent (e.g. isopropyl alcohol) for a drag reducing polymer (e.g. a polyalphaolefin) to a mixture of the polymer and the solvent (e.g. kerosene) in which the polymer is dissolved. When enough non-solvent is added, the polymer precipitates into fine particles. The supernatant mixture of solvent and non-solvent is then removed from the precipitated polymer slurry concentrate. Further solvent contained in the slurry concentrate may be removed by evaporation or further extraction with the liquid, non-solvent. The resulting slurry concentrate dissolves rapidly in flowing hydrocarbon streams to reduce the drag therein, and gives exceptionally good drag reducing results at low concentrations. Additionally, no injection probes or other special equipment is required to introduce the drag reducing slurry into the hydrocarbon stream, nor is grinding of the polymer necessary to form a suitable DRA slurry.