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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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A POSTERIORI ERROR CONTROL FOR PARTIAL DIFFERENTIAL EQUATIONS WITH RANDOM DATA.
Abstract Not Provided
Adaptive sparse grids for uncertainty quantication Enhancing approximations using a posteriori error estimation.
Abstract Not Provided
A Posteriori Error Analysis of Multiscale Mortar Discretizations with Multinumerics.
Abstract Not Provided
A Method to Evaluate Residual Phase Error for Polar Formatted Synthetic Aperture Radar Systems.
Abstract not provided.
PROBABILISTIC ANALYSIS TO QUANTIFY OPTICAL PERFORMANCE AND ERROR BUDGETS FOR NEXT GENERATION HELIOSTATS.
Abstract not provided.
A Posteriori Error Analysis and Adaptive Construction of Surrogate Models.
Abstract not provided.
Adjoint Based a posteriori Error Estimates Using Data Compression.
Abstract not provided.
Stochastic estimation of reduced basis errors based on machine learning concepts.
Abstract not provided.
Verifying the error bound of numerical computation implemented in computer systems
A verification tool receives a finite precision definition for an approximation of an infinite precision numerical function implemented in a processor in the form of a polynomial of bounded functions. The verification tool receives a domain for verifying outputs of segments associated with the infinite precision numerical function. The verification tool splits the domain into at least two segments, wherein each segment is non-overlapping with any other segment and converts, for each segment, a polynomial of bounded functions for the segment to a simplified formula comprising a polynomial, an inequality, and a constant for a selected segment. The verification tool calculates upper bounds of the polynomial for the at least two segments, beginning with the selected segment and reports the segments that violate a bounding condition.
System for detecting operating errors in a variable valve timing engine using pressure sensors
A method and control module includes a pressure sensor data comparison module that compares measured pressure volume signal segments to ideal pressure volume segments. A valve actuation hardware remedy module performs a hardware remedy in response to comparing the measured pressure volume signal segments to the ideal pressure volume segments when a valve actuation hardware failure is detected.
Error estimation in high dimensional space for stochastic collocation methods on arbitrary sparse samples
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Teleportation Error in Frequency-Dependent Hybrid Implicit Monte Carlo Diffusion
Abstract not provided
Eliminating Parasitic Error in Dynamically Driven Flexure Systems
Abstract not provided
A Posteriori Error Analysis of Stochastic Differential Equations Using Polynomial Chaos Approximations.
Abstract not provided.