Questions tagged [simulation]
The simulation tag has no usage guidance.
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How to create a more photorealistic ocean?
Photorealism has many elements. Take, for instance, the figure 1 below, a shot from Dune Part One movie.
Figure 1
The process of production of a image such as this one, is laborious and involve more ...
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My n-body simulation doesn't form a galaxy
I'm trying to create a galaxy simulation using opengl with the compute shader and when I start my simulation, the galaxy with the spiral arms doesn't form, instead it goes into chaos. I noticed that ...
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Simulating a moving catheter inside a human heart
I'm trying to simulate a moving catheter inside a human heart. I want to accurately model the behaviour of the catheter and I assume the heart to be solid. What I want is, when the catheter hits the ...
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What is the difference between particles system and smoothed particles hydrodynamic?
What is the difference between particles system and smoothed particles hydrodynamic(SPH) ?
is SPH a more specific version of particles system ?
More searches on google I do more confusing I get since ...
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Problem when performing IFFT for Tessendorf's ocean waves
I am implementing Jerry Tessendorf's ocean waves as described in his paper in c++ and OpenGL.
I implemented two compute shaders, one for the h_tilde_0 and its conjugate, and one for the frequency ...
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What exactly is it about reality that is so difficult to recreate in a 3D simulation?
I have to admit that, while watching footage of the enhanced 2020 version of the 2018 game Forza Horizon 4, when they are driving fast, I have to sometimes remind myself that I am watching a video ...
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Optimizing compute shader with thread group shared memory
I'm currently learning compute shaders and I'm trying to write an optimized Game Of Life. I have a first version working that uses a Shader Storage Buffer Object. I dispatch a thread per cell I want ...
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Confusion about the concepts of "constraint-based" and "impulse-based" for rigidbody simulation
Thanks a lot for your attention to this question in advance!
It is my first try to ask for help on this amazing StackExchange. If I do something inappropriate, please point it out directly so that I ...
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Finite difference wave equation shown in paper is wrong?
I'm trying to produce wave surface animations, and I came across this paper: Fast_Water_Animation_Using_the_Wave_Equation_with_Damping. In the paper they go to provide the following equation:
At ...
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What is it that really prevents photo-realistic, real-time, digital 3D simulations?
Ever since I was a small child, seeing the amazing 3D visuals that developed in the 1980s and 1990s, I was certain that photo-realism was "just around the corner". In the year 2020, I certainly ...
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Represent shape as particles
Input: Triangles which make up an arbitrary shape. Each triangle is represented by 3 3D points.
Output: A set of particles which fills up the inside of the object (see image).
I have read the ...
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Vertex positions from particle position
I have a question about Nvidia Flex or any particle based simulation in general:
The particles are created by sampling the mesh, which can result in fewer particles than there are vertices in the ...
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Does MRG32k3a compare well with PCG and Xorshift256*?
I've been using standard 32-bit Xorshift in my GPU path-tracer for a while, following Nathan Reed's approach with hashed seeds and decorrelated state. I (finally) discovered today that Xorshift is ...
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How to simulate elastic material with restoring shape
I'd like to simulate a rubber-like material. This material if deformed would experience a restoring force to its original shape, a bit like a school rubber ereaser.
I tried with a spring-mass system ...
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Cloud simulation software [closed]
I have ever browsed a website focusing on cloud (cloud in the sky, not cloud computing) simulation.
That's a company devoted to developing cloud simulation software and offer cloud simultation ...