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* Create base simulation file/directory structure * Create particle class in a Trick header file * Create Fluid class with simulation initialization and update jobs in Trick header * Create S_define for SIM_fluid * Create S_overrides.mk for SIM_fluid * Change Particle to a struct and initialize pos, velocity, and force arrays in constructor * Store particles as an std::vector instead of an array * Implement default_data method and dummy update_SPH for Fluid.cpp * Add core CUDA SPH simulation code to Trick simulation * Copy CPU-based SPH fluid sim code to Trick src directory * Remove all code involving rigid body simulation * Modify updateSPH routine to use CPU-based routines rather than GPU-based routines * Temporarily comment out neighbor list logic * Replace use of glm::vec3 with float[3] in sph.cpp and sph.h * Move simulation parameters from sph.h to Trick Fluid.hh * Remove particle struct and function prototypes from sph.h * Move core simulation routines from sph.cpp to Fluid.cpp * Remove neighbor list comments from Fluid.cpp * Remove extraneous initSPH function * Add calls to core simulation routines in Fluid::update_SPH() * Refactor core simulation functions into private member functions of the Fluid class * Remove static qualifier from simulation parameters in Fluid.hh * Include <cmath> and use std scope resolution operater on pow * Comment out isnan check in computeForces for now * Initialize p_start and p_end in update_SPH * Remove const qualifier from simulation paramters in Fluid class * Remove n_particles member variable from Fluid class * Create runtime.py to enable real-time synchronization and sim control panel * Create input.py to exec realtime.py and limit simulation time * Create simple python variable server client to unit test connection by accessing VISC member of fluid * Create unit test to see if particle position is being updated correctly * Create pointer to particles vector data for use in variable client * Implement simple 2D GUI in order to render a single fluid particle * Temporarily comment out unit tests * Support 2D rendering of multiple particles in python variable client * Scale size of simulation GUI based on BOUND variable from Trick variable server * Comment out trick.stop(5) temporarily * Set default value of BOUND to 400 * Fix sideways rendering bug by indexing field 1 position earlier * Start variable server client from input.py rather than from command line * Determine number of particles to render based on value of NUM_PARTICLES from Trick Variable Server. Also added TODO for correctly indexing into field. * Reduce number of particles for 2D simulation * Add CUDA runtime library flag and include directories * Rename .cu/.cuh files to .cpp/.h * Add sph_gpu.o as a library dependency of Fluid.cpp and call updateSPH_GPU in update_SPH * Successfully compile and link Trick with CUDA in S_overrides.mk * Call CUDA wrapper callVectorAdd() in update_SPH() to test Trick compilation/linking * Create vectorAdd.cu to test CUDA kernel with Trick * Change sph_gpu to a .cu file * Pass pointer to Fluid object into updateSPH_GPU in order to access fluid parameters on GPU * Refactor comptueDensityAndPressureGPU to use float[3] and fluid pointer to access sim parameters * Refactor computeForcesGPU to use float[3] and fluid pointer to access sim parameters * Refactor timeIntegrationGPU to use float[3] and fluid pointer to access sim parameters * Refactor verletUpdatePosition to use float[3] and fluid pointer to access sim parameters * Add base code for OpenGL particle renderer and TCP socket communication * Create .gitignore(s) and delete built files * Replace char* with char[] to remove warnings * Receive and parse number of particles and particle positions * Move connection initialization to stupComm * Move TCP client to graphics folder and use it within OpenGL particle renderer * Render particle position data from Trick * Distinguish between trick and custom client * Attempt to fix variable server client freezing * Create input file that doesn't launch python VSC * Remove extraneous call to initSPH * Modify number of particles to 2048 * Create .gitignore for sim * Create FluidServer class header * Add Trick Header to FluidServer.hh and add clientfd member to FluidServer * Send simple message from FluidServer in Trick to custom_client.cpp via TCP * Add FluidServer to S_define * Delete client directory * Send particle data on initialization and decrease frequency of sendParticleData scheduled job * Implement sendParticleData() to stream particle positions to client * Implement client to receive particle position data from custom TCP fluid server * Use custom_client interface in particle renderer of Trick variable server client * Pass fluid pointer as parameter to FluidServer::sendParticleData(Fluid* fluid) * Remove sim binary * Remove TCP client usage from OpenGL particle renderer * Rename particle renderer main.cc to opengl.cc * Create openGLCaller, which spawns a thread that handles the OpenGL particle rendering * Change openGLCaller signature * Remove FluidServer usage from S_define * Add make targets to OpenGL particle renderer source files and include OpenGL libraries in S_overrides.mk * Temporarily set argc and argv in openGLCaller and change signature of openGLCaller * Rename Particle to ParticleGL in sph.cpp and sph.h to avoid naming conflicts * Hard code .obj file name in openGLMain rather than passing it as a command line arg * Call openGLCaller inside of Fluid::default_data() * Fix compilation bug with g++ and add .o files to nvcc device linking and TRICK_USER_LINK_LIBS * Add 100_sphere.obj to root sim directory * Pass pointer to Fluid object to openGLMain * Make getParticlePositions() member function public * Update particle positions with data from Trick sim * Remove usage of Trickless SPH sim * Include .o files in .gitignore * Remove glm folder from repo * Ignore local glm folder in .gitignore * Copy Marching Cubes lookup tables from Cory Bloyd's implementation * Create simple shaders to render the fluid mesh * Create GridCell struct to store the isoValues and vertices of each voxel for Marching Cubes * Add Trickless SPH sim back temporarily to test Marching Cubes functionality * Implement generateCellMesh similar to Polygonise from Paul Borke 's 'Polygonising a Scalar Field' * Implement vertex isovalue interpolation * Create marching_cubes.h * Modify OpenGL program to render fluid mesh rather than particles * Create prototypes for updateIsoValues and initializeGridCells * Implement function to initialize vector of GridCell structs * Implement function to update isoValues of each vertex in each GridCell. (currently setting each isoValue to distance from origin) * Support triangle indexing for more than one GridCell and do quick fix for interpolation bug * Initialize and update both SPH particles and isoValues in grid for Marching Cubes * Control OpenGL graphics refresh rate via usleep * Set isoValues for vertices equal to distance from origin in order to demonstrate expanding sphere * Fix bug with mesh vertex and face data failing to update * Reduce number of particles to speed up sim testing * Fix bug where only a quarter of vertex positions update * Make particle depth greater than one to test marching cubes behavior for 3D fluid * Redefine isoValues of gridCells to have a value equal to the number of particles within a given radius of the grid cell vertex * Successfully update fluid mesh in response to particle positions * Add spatial grid member and prototypes for neighbor list methods in Fluid header * Implement buildSpatialGrid which assigns each particle to a grid cell * Implement getCandidateNeighbors, which returns a vector of all particles within a given grid cell and up to its 26 neighboring cells * Implement Marching Cubes isoValue update on the GPU * Use GPU implementation of isoValue update * Include files with build commands * Write code for unoptimized GPU neighborlist in comments * Add constants for spatial grid in Fluid.hh * Use neighbor list in computeForces and computeDensityAndPressure procedures * Keep count of the number of timesteps simulated for use in the marching cubes update * Remove trickless SPH from unit testing * Use Trick SPH particle data to update mesh from marching cubes * Modify S_overrides.mk to compile and link files from Marching Cubes implementation * Remove extraneous include * Remove debugging code from opengl.cc * Add back OpenGL program to render particles * Implement ability to toggle between fluid mesh and particle modes * Reverse surface normal direction for fluid mesh * Add directory variables to S_overrides.mk * Remove comment from S_overrides.mk * Remove unused files * Cleanup commented code * Cleanup includes and remove unused variable * Move marching cubes parameters to Fluid class * Create variables to toggle GPU mode and neighbor list * Fix malloc to include null terminated character of string and call free in loadObj * Remove graphics window title * Add GPU sim support for a number of particles that is not a multiple of NUM_THREADS * Create initial conditions to demo * Rename .cc files to .cpp * Perform major structural refactoring on opengl.cpp * Create refreshRate and mcUpdateFreq members in Fluid class * Credit tables to Cory Bloyd * Add Paul Bourke attribution * Replace extern usage with header files * Rename input files * Remove unused Particle.cpp * Move sphere models and move model file path to Fluid class * Replace marching cubes triangle construction while loop with for loop Co-authored-by: Scott Fennell <spfennell@gmail.com> * Condense MC logic using loops * Remove deprecated FluidServer from master * Fix memory leak in iso_values.cu * Change environment specific path to relative path in launch_vsc.py * Write comment and TODO for CPU isoValue update code * Add comments for demos and reduce usage of magic numbers in input.py * Add enum for demos and fix concentric circle demo bug * Fix style in input.py * Replace scheduled job with flag for SPH initialization with initialization job * Add shutdown job to free memory used by CUDA * Add newlines to the end of files * Delete deprecated FluidServer.cpp * Add basic README for sim Co-authored-by: Scott Fennell <spfennell@gmail.com> |
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| .. | ||
| Ball | ||
| Cannon | ||
| ODE | ||
| ROS | ||
| SIM_Ball++_L1 | ||
| SIM_contact | ||
| SIM_fluid | ||
| SIM_lander | ||
| SIM_msd | ||
| SIM_parachute | ||
| SIM_rocket | ||
| SIM_sat2d | ||
| SIM_satellite | ||
| SIM_sun | ||
| SIM_wheelbot | ||
| .gitignore | ||
| makefile | ||