{"project":{"acronym":"","projectId":94238,"title":"Turbulence, Transition, and Numerical Method Technologies","primaryTaxonomyNodes":[{"taxonomyNodeId":10953,"taxonomyRootId":8816,"parentNodeId":10946,"level":3,"code":"TX15.1.7","title":"Computational Fluid Dynamics (CFD) Technologies","definition":"This area covers Advanced CFD algorithms, strategies, and tools leading toward a vehicle Certification by Analysis capability.","exampleTechnologies":"Advanced algorithms and computational strategies allowing predictive and design tools to operate efficiently on emerging high performance computing architectures; advanced algorithms and tools to predict smooth-body, separated flows, chemically reacting flows, forced and naturally occurring unsteady flows; Direct Numerical Simulation; Large Eddy Simulation; Detached Eddy Simulation; particle methods like Lattice Boltzmann; Geometry modeling; grid generation; large-data post processing technologies adapted to and integrated in CFD tools, methods, and strategies.","hasChildren":false,"hasInteriorContent":true}],"startTrl":1,"currentTrl":3,"endTrl":3,"benefits":"
The development of physics-based computational tools envisioned in Revolutionary Computational Aerosciences will yield a number of benefits: deliver a capability to the aeronautics community to improve designs and reduce design cycle times; accelerate introduction of advanced air vehicles and propulsion systems into the airspace system; enable simulation and certification by analysis, thereby reducing flight testing and resulting in savings of up to $1B from an aircraft development program.
","description":"The Turbulence, Transition, and Numerical Method Technologies effort identifies and down-selects critical turbulence, transition, and numerical method capability improvements that enable at least a 40% reduction in predictive error against standard test cases. The project will examine turbulent separated flows, evolution of free shear flows, and shock-boundary layer interactions utilizing state-of-the-art high performance computing hardware.
","destinations":[{"lkuCodeId":1548,"code":"FOUNDATIONAL_KNOWLEDGE","description":"Foundational Knowledge","lkuCodeTypeId":526,"lkuCodeType":{"codeType":"DESTINATION_TYPE","description":"Destination Type"}}],"startYear":2013,"startMonth":10,"endYear":2018,"endMonth":5,"statusDescription":"Completed","principalInvestigators":[{"contactId":348160,"canUserEdit":false,"displayOrder":1,"firstName":"Mujeeb","lastName":"Malik","fullName":"Mujeeb R Malik","fullNameInverted":"Malik, Mujeeb R","middleInitial":"R","primaryEmail":"m.r.malik@nasa.gov","publicEmail":true,"nacontact":false}],"programDirectors":[{"contactId":228054,"canUserEdit":false,"firstName":"John","lastName":"Cavolowsky","fullName":"John A Cavolowsky","fullNameInverted":"Cavolowsky, John A","middleInitial":"A","primaryEmail":"john.a.cavolowsky@nasa.gov","publicEmail":true,"nacontact":false}],"projectManagers":[{"contactId":505704,"canUserEdit":false,"displayOrder":1,"firstName":"Michael","lastName":"Rogers","fullName":"Michael M Rogers","fullNameInverted":"Rogers, Michael M","middleInitial":"M","primaryEmail":"michael.m.rogers@nasa.gov","publicEmail":true,"nacontact":false}],"website":"https://www.nasa.gov/aeroresearch/programs/tacp/ttt","libraryItems":[],"transitions":[{"transitionId":6255,"projectId":94238,"partner":"Other","transitionDate":"2018-05-01","infusion":"Other","path":"Closed Out","details":"The close collaboration in the validation experimentation effort was excellent, the complementary research efforts related to fundamental numerical model development, and the activities related to effective HPC utilization on near term architectures that are coming down the pipeline were exactly what NASA should be doing. Even though the TQR panel cannot say that the success criteria were fully met, we do feel that the research funded by TTT/RCA was successful and useful in determining the next suite of CFD validation tests and the problematic flow conditions that continue to be difficult to predict using our current suite of computational tools. Given the TQR Panel’s review criteria: 1. The deliverables meet the technical requirements; 2. The appropriate technical approaches were followed in producing the deliverables; and 3. All technical caveats and concerns have been identified and the deliverables: a. Development of more accurate physics-based methods (e.g., higher moment closure); b. Large eddy simulation (LES); c. Advanced numerical methods; d. Transition prediction and modeling; e. Validation experiments; f. Multidisciplinary analysis and design (high fidelity).
TQR panel feels that the technical processes were all completed and that the review criteria and all the deliverables were met. Thus, the Milestone TACP-2016-001 has been completed.
","rationale":"Other","infoText":"Closed out","infoTextExtra":"","dateText":"May 2018"}],"responsibleMd":{"acronym":"ARMD","canUserEdit":false,"city":"","external":false,"linkCount":0,"organizationId":4858,"organizationName":"Aeronautics Research Mission Directorate","organizationType":"NASA_Mission_Directorate","naorganization":false,"organizationTypePretty":"NASA Mission Directorate"},"program":{"acronym":"TACP","active":true,"description":"The Transformative Aeronautics Concepts Program cultivates multi-disciplinary, revolutionary concepts to enable aviation transformation and harnesses convergence in aeronautics and non-aeronautics technologies to create new opportunities in aviation. The program’s goal is to knock down technical barriers and infuse internally and externally originated concepts into all six strategic thrusts identified by ARMD, creating innovation for tomorrow in the aviation system. Using sharply focused activities, the program provides flexibility for innovators to explore technology feasibility and provide the knowledge base for radical transformation. The program solicits and encourages revolutionary concepts, creates the environment for researchers to become immersed in trying out new ideas, performs ground and small-scale flight tests, allows failures and learns from them, and drives rapid turnover into new concepts. The TAC Program also explores technologies that are broadly-critical to advancing aviation. Further, it places attention on computational and experimental tools that are critical for supporting development and enabling aviation transformation by investing in never-done-before developments that can provide paradigm-shifting analysis and experimental capability.
The Transformative Aeronautics Concepts Program cultivates multi-disciplinary, revolutionary concepts to enable aviation transformation with a goal to knock down technical barriers and infuse internally and externally originated concepts into all six ARMD strategic research thrusts.
The work in the Transformative Aeronautics Concepts Program directly benefits the public by bringing game-changing advances in other fields to solve aviation's global challenges of energy and sustainability. It explores concepts that can be applied across the NASA ARMD research portfolio. The TACP is an incubator for short-term explorations of innovative ideas that could lead to radical transformation for aviation. It solicits and encourages revolutionary concepts and, most important, creates an environment in which researchers can become immersed in trying out new ideas. It performs ground and small-scale flight tests that allow for failure, for learning from failure, and for rapidly driving on to new approaches. TACP also advances the state of the art in tools for simulation and modeling that can accurately predict the performance of revolutionary aircraft shapes or methods of propulsion. It drives advances in technologies that will enable aviation concepts. TACP exists to solicit and converge ideas from diverse thinkers.
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