Orca3D Marine CFD - General

Simerics-related questions

Simulating a Partially Submerged Lifting Surface
With a few modest tweaks to the default behavior of the "marine template" used in Orca3D Marine CFD, it is possible to simulate the flow around a ...
Mon, 7 Dec, 2020 at 2:47 PM
Orca3D Marine CFD for Stepped Planing Hulls
In order to ensure numerical convergence of your Orca3D Marine CFD simulations, we always recommend that you perform a grid convergence study in which you e...
Tue, 19 Jan, 2021 at 11:05 AM
Benchmarking against model tests or full-scale data
To gain confidence in your CFD results, it's useful to run benchmarks and compare the results to data that you have from model tests, full-scale data, ...
Mon, 2 Aug, 2021 at 9:45 AM
Rhino and CFD Coordinate Orientation
Although in the default workflow used with Orca3D Marine CFD there is little if any data entry required in the SimericsMP CFD tool's GUI, there are tim...
Fri, 12 Feb, 2021 at 3:50 PM
Tips for Speeding Up Your Simulations in Orca3D Marine CFD
We are often asked how to reduce the time that it takes to run a simulation without sacrificing the accuracy of the results.  Let's face it; CFD simula...
Mon, 6 Dec, 2021 at 9:32 AM
Factors beyond CFD Resistance
In general, when developing a resistance (or powering) prediction for a design using CFD, it is important to account for any factors that may not be acco...
Thu, 9 Dec, 2021 at 5:48 PM
Simulating Unsteady Dynamics By Perturbing the Steady Solution
The standard towed and self-propelled simulations in Orca3D Marine CFD provide a wealth of information about the steady state resistance and powering charac...
Tue, 19 Apr, 2022 at 9:03 PM
Simulating a Propeller Wake Survey
Detailed propeller design often relies on a description of the inflow wake distribution in the plane of the propeller in order to properly design the blade ...
Thu, 31 Mar, 2022 at 3:04 PM
Self-Propelled Simulations with Contra-Rotating Propellers
One question we are seeing more often is how to represent a propulsion system with contra-rotating propellers in a self-propelled simulation with Orca3D ...
Fri, 14 Jan, 2022 at 11:05 AM
Simulating a foil-borne vessel with the Standard version
In the Standard version of Orca3D Marine CFD, where you don’t have the ability to move any control surfaces on the foil to manage the heave and pitch of the...
Fri, 14 Jan, 2022 at 12:53 PM