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  • 2022-04 INSIDE RESEARCH & Funding Opportunities 

    Office of Research (Wichita State University, 2022-04)
    Welcome from Dr. Coleen Pugh, AVP for Research; information on research awards received by WSU researchers in March 2022, funding opportunities and professional development and training events.

  • Experimental and numerical analysis of wrinkles influence on damage mechanisms and strength of L-shape cross-ply composite beams 

    Naderi, M.; Ji, M.; Liyanage, Shayka S.; Palliyaguru, Upul R.; Soghrati, S.; Iyyer, N.; Seneviratne, Waruna P.; Phan, N. (Elsevier, 2022-03-28)
    In this work, experimental and finite element (FE) analysis of L-shape cross-ply fiber-reinforced composite beams are carried out to investigate the effect of out-of-plane wrinkles on the interlaminar strength and competing ...

  • A micro-macro coupling and physics informed modeling approach for bearing failure with x-ray CT characterization 

    Cui, Xiaodong; Xiao, Jian; Lua, Jim; Kariyawasam, Supun; Fulghum, Ethan; Saathoff, Caleb (AIAA SCITECH, 2022-01-03)
    The failure mechanism of composite bolted joints was investigated using an in-situ X-ray CT technique with SSB test. A physics-informed modeling approach was proposed based on the traditional CDM method and a static bearing ...

  • Experimental Observations of Damage States in Unnotched and Notched 3D Orthogonal Woven Coupons Loaded in Tension 

    Jackson, Wade C.; Bergan, Andrew C.; Rose, Cheryl A.; Segal, Kenneth N.; Gardner, Nathaniel W.; Waas, Nalinda W. (American Institute of Aeronautics and Astronautics, 2021-12-29)
    This paper describes a series of unnotched and notched tensile tests on two 3D orthogonal woven architectures loaded in the warp direction. Dogbone specimens were used for the unnotched tests, and open-hole specimens were ...

  • Multiaxial fatigue damage assessment of repaired composite cruciform specimens using stress ratio dependent fatigue damage accumulation model 

    Lua, Jim; Xiao, Jian; Cui, Xiaodong; Kariyawasam, Supun; Fulghum, Ethan; Saathoff, Caleb (American Institute of Aeronautics and Astronautics, Inc., 2021-12-29)
    The paper presents a combined experimental and numerical study of multiaxial fatigue damage accumulation in scarf-repaired cruciform specimens subjected to fatigue loading. The existing fatigue analysis module is improved ...

  • 2022-03 INSIDE RESEARCH & Funding Opportunities 

    Office of Research (Wichita State University, 2022-03)
    Welcome from Dr. Coleen Pugh, AVP for Research; information on research awards received by WSU researchers in March 2022, funding opportunities and professional development and training events.

  • 2022-02 INSIDE RESEARCH & Funding Opportunities 

    Office of Research (Wichita State University, 2022-02)
    Welcome from Dr. Coleen Pugh, AVP for Research; information on research awards received by WSU researchers in February 2022, funding opportunities and professional development and training events.

  • Electroplating polymer based additive manufactured parts for enhanced structural performance 

    Seneviratne, Waruna P.; Tomblin, John S.; Saathoff, Brandon L. (DEStech Publications, 2021)
    Additive manufacturing has been adopted in many aerospace and defense applications to reduce weight and buy-to-fly ratios of low-volume high- complexity parts. Polymer-based additive manufacturing processes such as Fused ...

  • Induction heating of CF/PEKK laminates using homogenization techniques 

    Seneviratne, Waruna P.; Tomblin, John S.; Teoh, Jerome J.C.; Smith, Nicholas; Saathoff, Brandon L. (DEStech Publications, 2021)
    The primary heat generation mechanisms of carbon fiber reinforced thermoplastic laminates during induction heating are joule losses, junction heating with contact resistance and dielectric hysteresis. In relation, these ...

  • 2022-01 INSIDE RESEARCH & Funding Opportunities 

    Office of Research (Wichita State University, 2022-01)
    Welcome from Dr. Coleen Pugh, AVP for Research; information on research awards received by WSU researchers in January 2022, funding opportunities and professional development and training events.

  • 2021-12 INSIDE RESEARCH & Funding Opportunities 

    Office of Research (Wichita State University, 2021-12)
    Welcome from Dr. Coleen Pugh, AVP for Research; information on research awards received by WSU researchers in December 2021, funding opportunities and professional development and training events.

  • Fatigue damage modeling in laminated composites by using Rx-FEM and strength tracking method 

    Lu, Weitsen; Gao, Zhenjia; Adluru, Hari K.; Hoos, Kevin H.; Seneviratne, Waruna P.; Mollenhauer, David H.; Iarve, Endel V. (DEStech Publications, 2021-09)
    The durability and residual load carrying capacity of composite materials and structures is of critical importance for increasing their application across the industry. Regularized eXtended Finite Element Method (Rx-FEM) ...

  • Skin/stringer interface damage characterization of stiffened composite structures 

    Seneviratne, Waruna P.; Saseendran, Vishnu; Shafie, Mohamed Z.; Tomblin, John S. (DEStech Publications, 2021-09-01)
    With stiffened composite panels being widely used in aerostructures, critical failure mechanics of the skin/stringer interface need to be thoroughly understood. The interface is design critical and must demonstrate the ...

  • Multilayer coverings to protect surfaces from lightning strikes 

    Martin, Billy Marvin (United States Patent and Trademark Office, 2021-11-16)
    A multilayer protective covering can protect a surface from lightning strikes. The covering includes a bottom conductive layer affixed to the surface and having a first opening that is aligned with a grounding connection ...

  • 2021-11 INSIDE RESEARCH & Funding Opportunities 

    Office of Research (Wichita State University, 2021-11)
    Welcome from Dr. Coleen Pugh, AVP for Research; information on research awards received by WSU researchers in November 2021, funding opportunities and professional development and training events.

  • Coupon-level mechanical testing for polymer-based additive manufacturing 

    Park, Chul Y.; Rupel, Keith E.; Henry, Chelsey E.; Palliyaguru, Upul R. (ASTM International, 2020-06-04)
    The term additive manufacturing (AM) is used to describe processes of joining materials to make parts from a three-dimensional model data, as opposed to subtractive manufacturing. Although AM technology offers potential ...

  • Additive manufactured polymer test coupons: Issues and solutions 

    Andrulonis, Rachael; Lovingfoss, Royal; Tomblin, John S. (ASTM International, 2020-06-04)
    Leveraging the experience and lessons learned from the National Center for Advanced Material Performance (NCAMP) and the Composite Materials Handbook-17 (CMH-17) composite material databases, a new qualification program ...

  • 2021-10 INSIDE RESEARCH & Funding Opportunities 

    Office of Research (Wichita State University, 2021-10)
    Welcome from Dr. Coleen Pugh, AVP for Research; information on research awards received by WSU researchers in October 2021, funding opportunities and professional development and training events.

  • 2021-09 INSIDE RESEARCH & Funding Opportunities 

    Office of Research (Wichita State University, 2021-09)
    Welcome from Dr. Coleen Pugh, AVP for Research; information on research awards received by WSU researchers in September 2021, funding opportunities and professional development and training events.

  • 2021-08 INSIDE RESEARCH & Funding Opportunities 

    Office of Research (Wichita State University, 2021-08)
    Welcome from Dr. Coleen Pugh, AVP for Research; information on research awards received by WSU researchers in August 2021, funding opportunities and professional development and training events.

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