Discontinuous Galerkin methods for hypersonic flows
Year: 2024
Type: article
Source: Progress in Aerospace Sciences
Institution: Massachusetts Institute of Technology
Language: English
Subfield: Computational Mechanics
Field: Engineering
Domain: Physical Sciences
Open Access status: bronze
Awards: SWQU: Composable Next Generation Software Framework for Space Weather Data Assimilation and Uncertainty Quantification, G203625172, G3297432327, G4698429227, WE PROPOSE THE CREATION OF A SINGLE-DISCIPLINE CENTER (SDC) FOR THE EXASCALE SIMULATION OF MATERIALS IN
HYPERSONIC FLOW ENVIRONMENTS. OUR OBJECTIVES ARE AS FOLLOWS. FIRST, WE TARGET A SIGNIFICANT ADVANCE IN THE
ABILITY TO PREDICT THE DEGRADATION (OXIDATION AND MELTING) OF COMPLEX (DISORDERED AND MULTI-COMPONENT) MATERIALS
UNDER EXTREME LOADING, INACCESSIBLE TO DIRECT EXPERIMENTAL OBSERVATION. THIS APPLICATION REPRESENTS A
TECHNOLOGY DOMAIN OF INTENSE CURRENT INTEREST, AND HAS CLEAR EXTENSIONS TO A MUCH WIDER CLASS OF PROBLEMS—
I.E., THOSE INVOLVING MATERIAL INTERFACES IN EXTREME ENVIRONMENTS. INDEED, INTERFACES ARE CRUCIAL TO OUR ABILITY
TO UNDERSTAND, ENGINEER, AND CONTROL MATERIAL BEHAVIOR. YET THE PREDICTIVE SIMULATION OF INTERFACE PROPERTIES
AND THEIR IMPACT REMAINS EXTREMELY CHALLENGING. CAPTURING THE IMPACT OF INTERFACES REQUIRES RESOLVING INTERFACIAL
ATOMIC STRUCTURE AND THUS APPEALING TO FIRST PRINCIPLES (I.E., QUANTUM MECHANICAL) SIMULATIONS; AT THE
SAME TIME, INTERFACIAL STRUCTURES ARE AFFECTED BY CONDITIONS (E.G., THERMAL, MECHANICAL, AND CHEMICAL LOADING)
AT THE ENGINEERING SCALE. THIS PROBLEM THUS PRESENTS AN ENORMOUS AND FUNDAMENTAL MULTISCALE SIMULATION
CHALLENGE, WITH MYRIAD APPLICATIONS—TO HYPERSONICS AND FAR BEYOND.
OpenAlex ID: W4394936204