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This project involves meshing externally a platform of some modern design buildings, and then visualizing the behavior of the air that flows through it by simulating it, which is  a common practice nowadays, performed in urban developing, architectural design, environmental planning applications and many more. For the meshing of the maquette configuration of buildings that form this urban landscape, the Hex-dominant parametric (only CFD) and 16 processors were used. A steady state incompressible flow simulation, using the k-omega Spalart Allmaras turbulence model,  is executed, in order to visualize the air flow  as well as the critical areas of the re-circulation. Results from the simulation, as well as flow visualization techniques are also provided from the SimScale and Paraview platforms.

This project involves meshing externally a Boeing 777-200 LR Aircraft, and then simulating its' operation on flight facing an airflow with an axial velocity of 50 m/s.  It is one of the longest-range commercial airliners, with an exterior length and wingspan reaching 63.70 and 64.80 meters respectively.  For this case a model with removed engines was chosen in order to assist convergence and meshing. Also a Symmetry plane was added midst the Part, and half the part was used for meshing and simulation for simplification.  A steady state compressible flow simulation is executed to visualize the air flow around the bodywork and wings of the aircraft, as well as the pressure distribution while on flight.

This project involves meshing internally a Ball Valve, and then simulating its' operation when water flows through it. A ball valve is a structure that is placed between two pipelines, connecting them through its' hollow interior by utilizing two diametrically placed holes. For this case, the floating ball has a hollow cylinder through its center, with a diameter same as the inner one of the pipelines. The Cylinder is not parallel to the pipes, and instead it is placed diagonally. A steady state incompressible flow simulation is executed to visualize the flow and its' re-circulation, as well as the critical areas of the pressure drop.

This project deals with simulating the flow through the graphic card at different fan Rpms using the Multiple reference frame(MRF) rotational zone concept. A conjugate heat transfer analysis will be performed to keep a check on thermal throttling of the GPU.

An air flow bench is a device used for testing the internal aerodynamic qualities of an engine component and is used primarily for testing the intake and exhaust ports of cylinder heads of internal combustion engines, but the cost of flow bench is very high and thus, with the advent in computational simulation technology the port flow simulation can be conducted very easily to analyse the breathing capacity of the engine.

This project  involves meshing a single-Shaft Turbofan Engine, and then simulating its' operation when facing an axial airflow of 150 m/s, while rotating with a velocity of 940 rad/sec (9000 rpm) . A Fan is used to bypass a large amount of air in the inside of the engine. For this case the typical Compressor, Combustion chamber and Turbine Stator were omitted, and only the Fan, Shaft, Shell and Turbine rotor were meshed and examined, in order to restrain the meshing requirements for complex, time consuming meshing and simulation.  A steady state incompressible flow simulation is executed to visualize the air flow through the components of the Turbofan, as well as the pressure and U magnitude distribution on the blades of the Fan and Turbine.

Link to  the extended compressible study (bigger domain included) : https://www.simscale.com/projects/fsite/turbofan_engine_extended_study/

Using Coanda effect is not a standard in drone design. I will evaluate its capacity on a model with minimum elements count (should be about 3).
However I have also a 'hidden agenda' linked to that study. This is related to ring shaped forms, created by rotating medium (this can be air or water dynamic structures). They resemble 'smoke rings', moving through the air with great stability. What is even more surprising is the fact, that air rings can be formed under water and dolphins do it and play with it for a long while (possibly few millions years).
When observing air rings created with simple boxes with a hole, one can notice the great velocity of generated ring, getting progressively bigger due to Magnus effect. Rotating energy of the ring is preserved for a long time and is not lost in a wake. If it would be the case, ring would stop advancing after few centimetres. 
In order to simulate that result to at least a small extend, I need to use Coanda effect, allowing flow to follow the curve of the body. Body will be a ring shaped object, tested with external 'momentum source'. Momentum source is a simplification of 'propeller' , which directs flow against expected vector of displacement. Momentum source is present in a hole of the ring. Few tests concerning its size and way of redirecting the flow will be simulated.

The main aim of the project was trying to find stress and total displacement on the surface and check with experimental results. In this project, F1 halo is simulated in two different static load condition and for that use SIMULATION TYPE was STATIC. The halo is a driver crash protection system used in open wheel racing series which consists of a curved bar placed to protect the drivers head. The system was introduced in 2015 and became mandatory according to FIA homologation and regulation from 2018.

The undertray is known to be the most aerodynamically efficient downforce generating device. Theoretically, almost 50-60 percentage of the downforce generated by the aerodynamic package of an F1 car is generated by the undertray. Moreover, the undertray produces a very minimal amount of drag force owing to its reduced frontal area hence the lift(here downforce) to drag ratio is very high. Therefore, optimizing the undertray design is of great significance to the overall downforce generated by a car.

This project  involves meshing externally an F1 type Front Wing, and then simulating its' operation when facing a horizontal airflow of 20 m/s. Nowadays it is very common to witness F1 type cars using this type of leaf-like wings, called cascades, acting to generate vortices behind them that spiral upwards and outwards in channels controlled to the millimeter and shaped around the front wheels, towards the underfloor, through and around radiator inlets and between suspension components, and lately , it has been introduced by some Formula Student teams as well.  For this case a Symmetry plane was added midst the Part, and half the part was used for meshing and simulation for simplification. A steady state incompressible flow simulation is executed to visualize the air flow around the bodywork and wings of the part, as well as the pressure distribution, the outwash effect of the cascade and endplate, as well as the vortices of the footplate.

Hydrokinetic Banki cross flow turbine for rural areas  whit bidirectional diffuser augmented (BDA).

Hydrokinetic is a recently introduced type of hydropower energy, having been proven as the most
effective and predictable renewable energy source available around the world, especially in the rural and
electrification areas. Most of these sites are dependent on small and micro scale stations to produce
cheap but abundantly available and effective electrical energy. Hydrokinetic energy that can be harnessed from the flow of water in the irrigation and rainy channels is a promising technology in countries
with vast current energy. Micro hydrokinetic energy scheme presents an attractive, environmentally
friendly and efficient electric generation in rural, remote and hilly areas, as effort to reduce the everincreasing greenhouse gas emissions and fuel prices in these sites. (1)

This simulation is based in the reasearch of A.H. Elbatran et al.
https://doi.org/10.1016/j.oceaneng.2018.04.042 and is maded for the simscalecontest2019

Simulation of Airflow around Car from Monopoly Boardgame

Not as famous as the 1964 DB5, but certainly the most impressive transformer car in the series. In this project we have a look at how the Lotus Esprit performs under water.

Analysis of the thermal comfort in Pantheon.
1st study: Incompressible external flow simulation to find the air exchange rate
2nd study: Internal convection simulation inside the building

In this project I study the effects of use of different inlet shapes on the performance of a centrifugal pump. A generic centrifugal pump was designed as the core for the analysis.
It consists of a stator part, rotor and virtual rotating zone. The inlet section of the pump is extended and three shapes are investigated: straight intake, single 90 deg turn and double 90 deg turn. Keeping the operating conditions of the pump constant the investigation was focused on rotation driven flow (fluid motion is generated only by the pump). The comparison of difference in obtained flow rate and the observable differences in flow representation was presented.

Often in the cities we can spot company name signs standing on the rooftops of buildings. In this simulation I study the wind load acting on a sign of a certain company set on a roof of a building.
An often overlooked issue remains to be investigated: what is the force acting on a sign and what kind of mounting is required to fix said sign on the rooftop. Support structures are usually prepared before the installation and once in place might pose danger, supposed that they are not suited for strong wind load conditions. A numerical simulation prepared during design phase can ensure that the structure and the sing will hold.

Server rooms house sensitive hardware that can be damaged easily if exposed to extreme temperatures. So, the aim of this project is to find out the heat transfer in that room for material air. For heat transfer I did Conjugate Heat Transfer simulation analysis which tells us about the heat transfer between fluid air and the solid material of the server room.
So, from this project we can optimize the ventilation system design for server room in future planning.

Determination of the flow field and temperature field in the area of the mixing region using Fluid Flow

On this project the structural integrity of a Steel Stair (AISI 1020) was verified. The case studied was a steady 10kN load ( around 1Ton) applied in the imprinted face shown on the comments. The verification used the von Mises Stress to predict the bridge behavior due to the load.

Planetary gears are used when an application requires high reduction ratio in a small space, which is a common scenario in many automotive applications, especially in heavy machinery applications (tractors, trucks, etc). In this application, two planetary gears were coupled to provide a 20:1 reduction ratio in a 80 kW/109 hp motor at 3000 rpm. The objective of this simulation is to verify the structural integrity of the system enclosure. This verification will evaluate the von Mises Stress and compare it with the Tensile Yield Strength for Aluminum 5083-H116, which is a common verification for yielding in ductile materials.

Vibration Absorber Hose line simulations 
Dynamic
 Static and another simulations

simscalecontest2019 | SimScale Project Library | Page 1