Turbulence Modelling 34 min read
Interface Instability and Turbulent Mixing
Abstract Richtmyer‐Meshkov instability and turbulent mixing are fundamental problems of multi‐materials interface dynamics, which mainly focuses on the growth of…
THE ARCHIVES
Author: Boomi Nathan.
J. BoomiNathan is a writer at SenseCentral who specializes in making tech easy to understand. He covers mobile apps, software, troubleshooting, and step-by-step tutorials designed for real people—not just experts. His articles blend clear explanations with practical tips so readers can solve problems faster and make smarter digital choices. He enjoys breaking down complicated tools into simple, usable steps.
Turbulence Modelling 24 min read
Numerical method
Simulations in the present study were all run using the commercial CFD code Ansys FLUENT. The DHRL methodology was implemented…
Turbulence Modelling 8 min read
Model formulation
The DHRL model formulation is summarized in this section. Readers are referred to Bhushan and Walters [27] for a more…
Turbulence Modelling 7 min read
Critical Assessment of Hybrid RANS-LES Modeling for Attached and Separated Flows
Introduction Turbulent shear flows, including attached boundary layers and separated shear layers, are important application test cases for computational fluid…
Structures & Material 1 min read
Buoyancy
WHAT MAKES A HOT-AIR BALLOON OR A BLIMP FLOAT? Hot-air balloons and blimps can float in the air thanks to…
Structures & Material 2 min read
Air is Stuff
Air is not just empty space—it has substance, or mass. Air has molecules that are constantly moving. Because air has…
Structures & Material 1 min read
Gravity Keeps Us Down to Earth
WHAT IS GRAVITY? Gravity holds us to the surface of the Earth and keeps our atmosphere wrapped around our planet.…
Structures & Material 1 min read
Gravity & Air
Understanding the basics—gravity and air—is key. To rise above it all, you have to face some facts: You must grapple…
Structures & Material 2 min read
We Aren’t Built to Fly
WE JUST AREN’T BUILT TO FLY Birds inspired our first attempts to fly, but our progress was limited until we…
Structures & Material 1 min read
The Four Forces
FOUR FORCES AFFECT THINGS THAT FLY: 1. Weight is the force of gravity. It acts in a downward direction—toward the center of…
Structures & Material 1 min read
Forces of Flight
Understanding how things fly begins by learning about the Four Forces of Flight. When an airplane flies, the wing is…
Structures & Material 1 min read
Shaped for Space
HOW DOES SPACE AFFECT STRUCTURE? If a spacecraft flies only in space and not through an atmosphere, it does not…