Chris Sideroff

Chris Sideroff
Applied CCM Inc

PhD, MS, BSc

About

15
Publications
5,985
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41
Citations

Publications

Publications (15)
Conference Paper
Full-text available
The emphasis of this paper is on the validation and verification of the open source numerical library, Caelus, suitable for the simulation of problems in continuum physics. The focus of this work is the verification and validation of problems in fluid mechanics. Several test cases including Couette and Kovasznay flows are used in verification of th...
Conference Paper
Full-text available
In this work verification and validation of Reynolds Averaged Navier-Stokes (RANS) turbulence models for incompressible flows were performed on the numerical library, Caelus [1]. Caelus is free and open source licensed under the GNU Public License (GPL). The focus of this study is on the verification and validation of the k-w SST [2, 3], Spalart-Al...
Conference Paper
Full-text available
Cyclones play a dominant role in the industrial separation of dilute particles from an incoming gas flow. The complex swirling flow in cyclones provides significant challenges for turbulence modelling in CFD. This paper presents a single phase transient solver developed using the Caelus library. The solver predictions using k-ω SST with and without...
Conference Paper
Full-text available
Turbulence is a phenomenon that occurs frequently in nature and is present in almost all industrial applications. Despite significant increase in computational power in modern processors, Reynolds averaged Navier-Stokes (RANS) simulations are still the dominant approach to turbulence modelling of high Reynolds number flows. Hybrid LES/RANS approach...
Conference Paper
Full-text available
Bubble columns are widely used in the chemical and biochemical process industries. In order to develop design tools for engineering purposes, a large amount of research has been carried out in the area of CFD of gas-liquid flows. In this paper a transient Euler-Lagrange solver developed using the open source Caelus library is used to simulate the g...
Conference Paper
Full-text available
This paper presents a fast transient solver suitable for the simulation of incom-pressible flows. The main characteristic of the solver is that it is based on the projection method and requires only one pressure and momentum solve per time step. Furthermore, advantage of using the projection method in the formulation is the particularly efficient f...
Conference Paper
Full-text available
This paper presents a fast transient solver suitable for the simulation of transient turbulent flows. The main characteristic of the solver is that it is based on the projection method and requires only one pressure and the momentum solve per time step. Furthermore, using the projection method has the additional advantage that the formulation of th...
Conference Paper
Full-text available
Adjoint equations for the incompressible turbulent Navier-Stokes equations are presented. The main characteristic of this adjoint formulation is that it is time symmetry preserving thus kinetic energy conservative. The newly formulated equations were applied to the computation of surface shape sensitivities of an Australian V8 supercar. Three cases...
Article
Most existing platform signature models use semi-empirical correlations to predict flow convection on internal and external surfaces, a key element in the prediction of accurate skin signature. Although these convection algorithms are capable of predicting bulk heat transfer coefficients between each surface and the designated flow region, they are...
Article
Full-text available
This paper gives a summary of a detailed Computational Fluid Dynamics (CFD) study of the flow around a Computer Simulated Person (CSP) for the purpose of validation. This was conducted using a canonical building environment scenario of the mixing ventilation type and included verification against test data. The contribution of this work was identif...
Article
Computational fluid dynamics (CFD) has been used in this work as a tool to examine the flow, heat and mass transfer in the human micro-environment. First, guidelines were developed to demonstrate accurate CFD simulations of the personal micro-environment (PME). Canonical benchmark cases that represent two common ventilation systems, displacement an...

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Project (1)
Project
While there have been several published overset implementations based on OpenFOAM, none to date have been either available to the public or have a general suite of capabilities. Caelus is a freely available fork of OpenFOAM that was launched in 2014. The overset framework will be able to handle static, prescribed, constrained and unconstrained dynamic motions. For the latter, a 6-DoF ODE solver with a wide selection of integrators and constraints will be developed. The library was developed such that enabling overset in an existing solver requires modifying only a few lines of code. It uses Suggar++, from Celeritas Simulation Technology, for hole cutting, interpolation stencil computations and other overset grid assembly tasks.