Abstract: Major enhancements were made to the Higher-fidelity Conceptual Design and structural optimization (HCDstruct) tool developed…
Author: New NASA STI
Stabilized Finite Elements in FUN3D
Abstract: A Streamlined Upwind Petrov-Galerkin (SUPG) stabilized finite-element discretization has been implemented as a library into…
Finite Element Simulation of Three Full-Scale Crash Tests for Cessna 172 Aircraft
Abstract: The NASA Emergency Locator Transmitter Survivability and Reliability (ELT-SAR) project was initiated in 2013 to…
Planetary Probe Entry Atmosphere Estimation Using Synthetic Air Data System
Abstract: This paper develops an atmospheric state estimator based on inertial acceleration and angular rate measurements…
Aeroelastic Uncertainty Quantification Studies Using the S4T Wind Tunnel Model
Abstract: This paper originates from the joint efforts of an aeroelastic study team in the Applied…
Flight Test Techniques for Quantifying Pitch Rate and Angle of Attack Rate Dependencies
Abstract: Three different types of maneuvers were designed to separately quantify pitch rate and angle of…
Guidance Scheme for Modulation of Drag Devices to Enable Return from Low Earth Orbit
Abstract: Passive drag devices provide opportunities to return payloads from low Earth orbits quickly without using…
Sensitivity Analysis of Multidisciplinary Rotorcraft Simulations
Abstract: A multidisciplinary sensitivity analysis of rotorcraft simulations involving tightly coupled high-fidelity computational fluid dynamics and…
Computational Modeling of a Mechanized Benchtop Apparatus for Leading-Edge Slat Noise Treatment Device Prototypes
Abstract: Airframe noise is a growing concern in the vicinity of airports because of population growth…
Aeroelastic Modeling of X-56A Stiff-Wing Configuration Flight Test Data
Abstract: Aeroelastic stability and control derivatives for the X-56A Multi-Utility Technology Testbed (MUTT), in the stiff-wing…