Simulation Tank Filling

CAD model tank filling, created in NOGRID's COMPASS

Figure 1: CAD model created in NOGRID's COMPASS

Tank filling GUI setup and initial conditions, in NOGRID points CFD software

Figure 2: Setup the tank filling case in the GUI

Tank filling simulation GUI results in NOGRID points CFD software

Figure 3: Tank filling state at a certain time step

Animation of the tank filling process, computed in NOGRID points CFD software

Figure 4: Animation of the tank filling process

In this tank filling simulation, an initially empty tank is filled with fuel. The simulation, performed using the Lagrangian method, begins with the flow entering through the tank neck. As the liquid enters, it forms a free surface, the speed of which primarily determines the simulation's time step size. At very high flow speeds, the time step size becomes smaller, which can result in longer computation times.

NOGRID points CFD software is ideally suited for designing and solving problems involving free surface flows. It enables the prediction of flow patterns, thermal homogenization, and foam formation. With NOGRID points, you can visualize mass distribution, velocity fields, and heat transfer for both simple and multiphase flows within the tank, helping you gain a deeper understanding of the flow behavior. You get integral variables that support the analysis of filling process efficiency. Additionally, the software allows you to easily create animations of particle trajectories.

Capabilities of NOGRID points CFD software

NOGRID combines the capabilities for handling free-surface flows and moving parts within the domain and allows the simulation of any conceivable tank geometry and operating mode, such as

computation is in full 3D solving complete Navier-Stokes-Equations
easy and intuitive setup of the tank filling case
free definable fuel material properties by equations or curves
fuel injection by one or more inlets
moving bodies inside the fluid (FSI, Fluid-Structure-Interaction)
robust and very fast solver

Whitepaper Nogrid points Software

Nogrid's strengths

Particular strengths of NOGRID's fluid flow CFD software are the rapid preprocessing (no fluid grid needs to be generated, only the boundary mesh, inner finite points are generated automatically depending on User setting initially and during computation), and the outstandingly short computation time even for complicated cavities.

As you can see in the image below, the boundary of the geometry still requires a mesh to allow the interior finite points to detect the boundary. The boundary must therefore be meshed and the finite points inside are automatically generated during the simulation controlled by User specifications.

Easy and fast modelling: Build geometry, mesh boundary, setup the case and start computation

What is CFD from NOGRID?

CFD solves the fundamental equations that define the fluid flow process. With CFD software from NOGRID every engineer makes better decisions by predicting, analyzing and controlling fluid flow, heat and mass transfer or chemical reaction. By using NOGRID software for flow modeling you receive information on essential flow characteristics as for example flow distribution. Using it additional to testing and experimentation NOGRID software helps to improve the evaluation of your design – resulting in better construction and operation parameters, increasing planning security and money savings due to faster time to the marketplace for your product or process.

Choose NOGRID

With NOGRID, you choose professional CFD software and services – our aim is helping you to be successful. When you decide to work with NOGRID you choose close cooperation with a dynamic, flat hierarchies-organization. Short information channels result in quick and accurate professional support and service. Our team consists of highly qualified employees, who are experts in fields such as numerical simulation or computational fluid dynamics. Based on our know-how, we are pleased to offer the following services, responding to your individual requirements:

TRAINING

In our two-days training courses you will learn, how to use NOGRID CFD software efficiently. Our technical support team will teach you how to handle and solve different cases.

For more details please refer to Training Courses →

Technical Support

We offer full professional support from the minute you start using our software, by telephone or by email. Contact us, when ever needed.

For more details please refer to Software Support →

Service

Lack of time or resources and other constraints often make outsourcing an attractive solution. We help you with your flow modeling needs. Based on our engineering expertise in this field we offer individual numerical simulation services matching the unique needs of your organization.

For more details please refer to Simulation Services →