Draft:Cheikh Cissé

• Comment: Dan arndt If an autobio then he's doing the right thing by going through AfC. PK650 (talk) 22:18, 24 January 2025 (UTC)

• Comment: Potential WP:AUTOBIO / WP:COI. Dan arndt (talk) 08:44, 22 January 2025 (UTC)

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Cheikh Cissé
Born	Senegal
Education	Classe préparatoire aux grandes écoles, Aerospace Engineering, Mechanical Engineering, Mining Engineering,Applied Mathematics, Applied Physics Ph.D.
Alma mater	Colorado School of Mines Lycée Pierre-de-Fermat École nationale supérieure des mines de Saint-Étienne KAIST Khalifa University
Occupation(s)	Aerospace engineer, mechanical engineer, academic,research scientist, and author
Title	Doctor-Engineer, Professor in Aerospace and Aviation
Scientific career
Institutions	Boeing Embry-Riddle Aeronautical University Honeywell Aerospace Colorado School of Mines

Cheikh Cissé is an aerospace and mechanical engineer, research scientist, professor, and author living in the United States of America. He is currently a senior propulsion engineer at Boeing and a part-time professor in the College of Aviation of Embry-Riddle Aeronautical University. Cheikh Cissé is known for his scientific contributions to the characterization, modeling, and design of multifunctional material systems such as Shape-memory alloy and ceramics and aerospace composites. His works utilize methods that connect different length scales and functionalities to create "smart structures". He was training and experience place him at the intersection of high-tech industry and academia, with expertise in turbomachinery, structural design, mining and materials science. Among his authored works are his publications in academic journals and his book Pour Une Révolution Industrielle et Minière en Afrique.

Education

Cheikh went at the École nationale supérieure des mines de Saint-Étienne (ENSM-SE) in France, where graduated with a Diplôme d'Ingénieur Civil des Mines with concentration in Mechanical Engineering. He was a dual-degree student between the ENSM-SE and the Korea Advanced Institute of Science and Technology. After graduating from KAIST with an Master's degree in Aerospace structures, he completed a Ph.D. in Applied Mechanics at Khalifa University.

Industry career

Cheikh Cissé started his industry career at Honeywell Aerospace where he worked on various development programs of jet engine such as turbofans, turboshafts and Auxiliary power unit(APU). He participated in the implementation of advanced technologies for such propulsion products. He led activities to develop predictive tools for engine damage and performance loss due to forced response and impact of foreign object debris (FOD) such as bird , ice or blade pieces also known as rotor burst and fan blade out. As the focal point of bird strike, he developed various bird models to capture bird strike into jet engines, and led projects such as rig facility development to ensure the fulfillment of pre-flight engine certification. Later, Cheikh joined Boeing where he works as a propulsion engineer. His propulsion and aviation safety expertise includes

Cheikh Cissé

• Ensuring that engine design meets FAR § 33.76 (bird ingestion) and FAR § 33.77 (ice ingestion) requirements;
• Developing bird and composite material models to improve the simulation accuracy and avoid certification test failure;
• Proposing and managing collaborative projects with universities and research centers.
• Conducting FOD sensitivity analysis to influence the design of jet engine components.
• Providing FOD mitigation strategy for preliminary design review (PDR) and detailed design review (DDR).
• Investigating abradable damages of the engine casings due to load transfer from (blisk) fan to booster rotor.
• Leading root cause investigations of mechanical failures in fans, compressors, and nacelles.
• Selecting appropriate disposition, design and/or fabrication changes to enable rapid and safe resolution.
• Developing new processes and conducting tests to collect validation data for modeling methods.
• Integrating forced response and impact analysis best practices into the design workflows.
• Guiding designs with the use of best practices for mechanical modeling and measurements.

Academic career

His academic includes focuses in the field on shape-memory alloy. He was a Post-doctoral Researcher and Research Associate at the Colorado School of Mines where he participated in the discovery of a highly efficient and eco-friendly elastocaloric cooling material., . While typical elastocaloric materials used for solid-state cooling show a degradation in cooling behavior after hundreds of cycles, laser melting allowed the team to create fatigue-resistant nanocomposite microstructures that can cycle, with consistent cooling capacity, a million times.

At the Colorado School of Mines, Cheikh co-supervised and guided PhD students. He carried out cutting-edge research to better understand the deformation mechanisms, microstructure design & evolution, and properties improvements of shape memory alloys/ceramics and piezoelectric materials, and their applications for adaptive structures, smart mechanical systems, and sustainable energy systems/harvesting. He developed a research proposal that received $470k from the United States Department of Energy to study the multiscale defect formation and domain switching behavior in functional oxides. He obtained also a $390k research grant from the National Science Foundation to investigate the significant enhancement of structural integrity of shape memory ceramics in high cycle fatigue. He participated also in other research proposal developments to raise funds from agencies such as NASAand DARPA. Dr. Cheikh Cisse is currently a part-time professor in the College of aviation at Embry-Riddle Aeronautical University. He teaches aeronautics courses, mentors students, and contributes to the research activities at the Boeing Center for Aviation and Aerospace Safety, and the Structural Integrity and Damage Assessment Team.

Research and Publications

Cheikh Cissé has interdisciplinary research activities spaning various fields, with a focus on shape memory alloys, adaptive aerospace structures, and multifunctional nano-composites. He has written and co-authored multiples scientific articles. His research works are published peer-reviewed journals including Science, International Journal of Plasticity, Acta Materialia, Journal of Intelligent Material Systems and Structures, International Journal of Solids and Structures, Computational Materials Science, International Journal of Mechanical Sciences, Materials & Design, Mechanics of Materials, Journal of the European Ceramic Society, Behavior and Mechanics of Multifunctional Materials and Composites, and Smart Materials and Structures.

Shape memory alloys

Cheikh's research on Shape Memory Alloys (SMAs) has advanced the field of active, smart and intelligent materials through the development of rigorous thermomechanical and nonlinear macroscopic models based on internal state variables. His phase-field models at the microscale helps understand and control the underlying mechanisms dictating the behavior of smart materials, and helps capture the processing-microstructure-property relationships. This includes the phase transformation and plasticity of zirconia-based shape memory ceramics and their asymmetric behaviors due to the presence of defects. They also helped understand the fracture toughening induced by martensitic transformation in shape memory alloys , the elastocaloric effect related to the internal heat, , the phase stabilization during thermomachanical training and two-way shape memory effect, and the tension-compression asymmetric behavior in SMAs such as CuAlBe.

Adaptive structures

Cheikh's research has contributed to the development of design tool for adaptive and self-healing structures. He proposed efficient and flexible implementation methods of his macroscopic models to facilitate the finite element analysis of complex boundary value problems. They imply material nonlinearity (plastic deformation and phase transformation), geometric nonlinearity, interaction (contact) nonlinearity to account for heterogeneous stress distribution and strain singularity. This encompasses the use of self-healing and adaptive Fe-based bolt to connect steel T-stubs, the study of future use of Fe-based cellular beam to save endangered structures and constructions.

Multifunctional micro-composites

Cheikh and his teammates created an functional metal matrix nanocomposites with unprecedent high elastocaloric effects. The work was published in the November 29, 2019, issue of Science. The new cooling material is a nickel-titanium alloy that was sculpted using additive technology (3-D printing) to obtain non-transforming intermetallic phases. This resulted in a multifold increase in the materials efficiency, which is defined as the ratio of materials coefficient of performance (COP of material to Carnot COP). The laser melting of the elastocaloric metals created fatigue-resistant nickel-titanium–based alloy microstructures that could be cycled a million times and still produce a cooling of about 4 kelvin. This processing method could improve elastocaloric performance and move us closer to using these materials more widely for solid-state cooling applications.Inspired by this work, Cheikh designed other NiTi microcomposites and optimized the coefficient of performance thereof based on the volume fraction, shape and aspect ratio and nature of the intermetallic phase.

Mining and Industry Development

Cheikh Cissé has an expertise in mining and strategies for industrial development. He is the author of the book Pour une Révolution Industrielle et Minière en Afrique. In this publication, he describes the issues of African mining industry such as the unfair contract, the corruption, pollution and environmental problems, the lack of commitment of the local governments and investors. He also describes the origins of the low industrial impact and output of African countries despite their huge mineral advantage. He proposed multiple solutions to help improve the economy of the continent and creates jibs for millions of young Africans who dies while cross the Atlantic Ocean.

Awards and honors

• 2022 – Delegate at the Aerospace Working Group. The LS-DYNA® Aerospace Working Group (AWG) is a partnership of federal agencies (FAA, NASA) corporations (Honeywell Aerospace, Boeing, Airbus, Pratt & Whitney, GE Aerospace, Collins Aerospace, Northrop Grumman, Rolls-Royce), and universities. We develop and publish aerospace test cases and modeling guidelines for finite element analyses with LS-DYNA. Especially, AWG collaborates with NASA and the Federal Aviation Administration (FAA) in the National Aviation Research Plan 'Aircraft Catastrophic Failure Prevention Research' program.
• 2022 – Liaison/Representative for the SAE International G-28 Simulants for Impact and Ingestion Testing Committee. The SAE G-28, Simulants for Impact and Ingestion Testing, is a technical committee in SAE’s General Projects Systems Group with the responsibility to develop and maintain standards for simulating objects utilized in the development and certification of structures and engines for impact or ingestion.
• 2017 – scientific reviewer for Journal of Intelligent Material Systems and Structures, Modelling and Simulation in Materials Science and Engineering, Smart Materials and Structures, Sensors & Actuators: A. Physical, ASME conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), ASME Turbomachinery Technical Conference & Exposition.
• 2006 – two Awards at the Concours General Sénégalais.

Bibliography

Books

• Pour une Révolution Industrielle et Minière en Afrique (2024) ISBN 979-8991205313 (French Edition)

Selected articles

• C Cisse, W Zaki, TB Zineb. (2016). A review of constitutive models and modeling techniques for shape memory alloys. International Journal of Plasticity 76, 244-284.
• H Hou, E Simsek, T Ma, NS Johnson, S Qian, C Cissé, D Stasak, N AlHasan, L Zhou, Y Hwang, R Radermacher, VI Levitas, MJ Kramer, M Asle-Zaeem, AP Stebner, RT Ott, J Cui, I Takeuchi. (2022). Additively Manufactured High-Performance Elastocaloric Materials with Long Fatigue Life. SMST2022, 34-35
• C Cissé, M Asle Zaeem. (2020). An Asymmetric Elasto-Plastic Phase-Field Model for Shape Memory Effect, Pseudoelasticity and Thermomechanical Training in Polycrystalline Shape Memory Alloys. Acta Materialia 201, 580-595.
• C Cissé, W Zaki, X Gu, TB Zineb. (2017). A nonlinear 3D model for iron-based shape memory alloys considering different thermomechanical properties for austenite and martensite and coupling between transformation and plasticity. Mechanics of Materials 107, 1-21.
• C Cissé, M Asle Zaeem. (2020). A Phase-Field Model for Non-Isothermal Phase Transformation and Plasticity in Polycrystalline Yttria-Stabilized Tetragonal Zirconia. Acta Materialia 191, 111-123.
• H Hou, E Simsek, T Ma, NS Johnson, S Qian, C Cissé, D Stasak, N AlHasan, L Zhou, Y Hwang, R Radermacher, VI Levitas, MJ Kramer, M Asle-Zaeem, AP Stebner, RT Ott, J Cui, I Takeuchi. (2019). Fatigue-resistant high-performance elastocaloric materials via additive manufacturing. Science 366 (6469), 1116-1121.
• C Cissé, M Asle Zaeem. (2021). Design of NiTi-based shape memory microcomposites with enhanced elastocaloric performance by a fully thermomechanical coupled phase-field model. Materials & Design 207, 109898.
• C Cissé, M Asle Zaeem. (2020). Transformation-Induced Fracture Toughening in CuAlBe Shape Memory Alloys: A Phase-Field Study. International Journal of Mechanical Sciences 192, 106144.
• C Cissé, M Asle Zaeem. (2020). On the elastocaloric effect in CuAlBe shape memory alloys: A quantitative phase-field modeling approach. Computational Materials Science 183, 109808.
• NV Viet, W Zaki, R Umer, C Cissé (2019). Analytical model for the torsional response of superelastic shape memory alloy circular sections subjected to a loading-unloading cycle. International Journal of Solids and Structures 156, 49-60.
• C Cissé, W Zaki, T Ben Zineb (2018). Numerical simulation of the behavior of steel T-stubs connected by Fe-based shape memory alloy bolts. Journal of Intelligent Material Systems and Structures 29 (16), 3284-3292.
• C Cissé, MA Zaeem. (2020). Defect-induced asymmetrical mechanical behavior in shape memory zirconia: A phase-field investigation. Journal of the European Ceramic Society 42 (10), 4296-4310.
• C Cissé, W Zaki, T Ben Zineb. (2016). A review of modeling techniques for advanced effects in shape memory alloy behavior. Smart Materials and Structures 25 (10), 103001.

References

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