3-D Modeling of Diffusion Limited Aggregation (DLA) in Hydraulics of Urine
Location
Hager-Lubbers Exhibition Hall
Description
PURPOSE: The Diffusion Limited Algorithm (DLA) was proposed by Witten and Sander. DLA-clusters are aggregates, where the shape of the cluster is controlled by the possibility of particles to associate with other particles. The aggregates might grow as long as there are particles moving around. During the diffusion of a particle through the solution it is more likely, that it attaches to the outer regions than to the inner ones of the cluster. Thus, a solid shape occurs, with many dendritic structures, like corals or trees. The volume is not filled in its entirety, causing many gaps. PROCEDURES: We chose the particle-based method over the grid-based method, because particle based simulation is better for simulating biological models. The model allows for particles to move freely, and are they allowed to join the main cluster at any angle. The method of simulation is a similar to the Brownian movement. The project focuses on graphically representing the 3D model of the formed DLA, assessing the hydraulics of urine, blood, or body fluids to generate the data required to form the DLA clusters. OUTCOME: For the project a model has been developed using C++, OpenGL (Graphics), MPI or CUDA as a parallelizing tool. The main idea is to visualize hydraulics of urine. However, this model is providing various parameters, which can visualize any cluster in the body. IMPACT: Visualizing such clusters in biological systems advances medical technologies and can be of great help in pharmacological studies.
3-D Modeling of Diffusion Limited Aggregation (DLA) in Hydraulics of Urine
Hager-Lubbers Exhibition Hall
PURPOSE: The Diffusion Limited Algorithm (DLA) was proposed by Witten and Sander. DLA-clusters are aggregates, where the shape of the cluster is controlled by the possibility of particles to associate with other particles. The aggregates might grow as long as there are particles moving around. During the diffusion of a particle through the solution it is more likely, that it attaches to the outer regions than to the inner ones of the cluster. Thus, a solid shape occurs, with many dendritic structures, like corals or trees. The volume is not filled in its entirety, causing many gaps. PROCEDURES: We chose the particle-based method over the grid-based method, because particle based simulation is better for simulating biological models. The model allows for particles to move freely, and are they allowed to join the main cluster at any angle. The method of simulation is a similar to the Brownian movement. The project focuses on graphically representing the 3D model of the formed DLA, assessing the hydraulics of urine, blood, or body fluids to generate the data required to form the DLA clusters. OUTCOME: For the project a model has been developed using C++, OpenGL (Graphics), MPI or CUDA as a parallelizing tool. The main idea is to visualize hydraulics of urine. However, this model is providing various parameters, which can visualize any cluster in the body. IMPACT: Visualizing such clusters in biological systems advances medical technologies and can be of great help in pharmacological studies.