Book Chapters      Top of Page

G. Wang, A. Al-Ostaz, A. H-D. Cheng and P. Radziszewski, "Particle Modeling and Its Current Success in the Simulations of Dynamics Fragmentation of Solids," Chapter 5 of Strength of Materials. Editors Gustavo Mendes and Bruno Lago. Nova Publications.click here

 





Journal Papers      Top of Page

Al-Ostaz, A. and Jasiuk, I., 1996, “An Elastic Circular Inclusion in a Half-Plane: The Effect of Boundary Conditions on Stress Concentrations,”ASCE Journal of Engineering Mechanics. Vol. 124 No. 3, pp 29

Al-Ostaz, A. and Jasiuk, I., 1997, “The Influence of Interface and Random Arrangement of Inclusions on Local Stresses in Composite Materials,”Acta Materialia . Vol. 45, No. 10, pp. 4131

Al-Ostaz, A. and Jasiuk, I., 1997, “Crack Initiation and Propagation in Materials with Randomly Distributed Holes,”Engineering Fracture Mechanics. Vol. 58, No. 5-6, pp. 395

Baxter W.J., Al-Ostaz A. and Jasiuk I., 1997 “The effect of shot particles on the fatigue of Kawool fiber reinforced 339 aluminum,” Metallurgical Transactions A. Vol. 30 A, pp.195-201.

Alzebdeh K., Al-Ostaz A., Jasiuk I. and Ostoja-Starzewski M., 1998, “Fracture of Random Matrix-Inclusion Composites: Scale Effects and Statistics,” Journal of Solids and Structures. Vol. 35-19, pp. 2537-2566

Alzebdeh K., Al-Ostaz A., Jasiuk I. and Ostoja-Starzewski M., 1998, “Scale and Boundary Conditions Effects in Elasticity and Damage Mechanics of Random Composites," in Damage Mechanics in Engineering Materials (G. Voyiadjis, J.W. Ju, and J.L. Chaboche), Studies in Applied Mechanics, Vol 46, pp. 65-80, 1998.

AL-Ostaz, A. and Bader, M., “Evaluation of Relative Effectiveness of a Range of Crack Injection Materials for the Repair of live Cracks”Concrete International (May 1999), pp. 42-48.

Al-Ostaz A., Jasiuk I. and Baxter W. J., 2001 “Mechanical and thermal Stresses at shot Particles during Fatigue of Kawool Aluminum Composites at 20oC,”Journal of Materials Science. Vol. 36, pp. 1201-1212.

Al-Ostaz A., Alzebdeh K. and Jasiuk I., 2002, “Characterization of Interfaces In Metal Matrix Composites Using the Slice Compression Test,” Foundation of Civil and Environmental Engineering, pp 1-17.

Al-Ostaz A., Baxter W. J. and Jasiuk I., 2003, "Fatigue of Kaowool Reinforced Aluminum: Effect of Shot Particle Wall Thickness," Journal of Materials Science. Vol. 39, pp. 2851-2860

G.D. Davis, M. J. Rich, R. Harichandran, L. T. Drzal, T. Mase, and A. Al-Ostaz Detecting Delamination and Moisture Intrusion of Graphite/Epoxy-Concrete Structures Using Electrochemical Impedance Sensors” 82nd Transportation Research Board (TRB) Annual Meeting. January 12-16, 2003 Washington, DC.” click here

Al-Ostaz A., Schaleck R. L. and Drzal L. T., March 2004, “Micro-Indentation Test: Data Reduction Technique based on Real Time Simulations”” Journal of ASTM International. Vol. 1, No. 3. Paper ID JAI11934, pp.1-23.

Al-Ostaz A., Al-Moussawi H. and Drzal L. T., 2004, “Characterization of the Interphase in Glass Sphere reinforced Polymers” ” Journal of Composites: Part B. Vol. 35, pp 393-412.

A. Al-Ostaz, D. Anipindi, and K. Alzebdeh, 2006, "Size of RVE and Effect of Morphology on Local Elastic Fields: Statistical and Numerical Approaches.” ” Journal of Materials Science. Vol. 22, Number 16, pp. 7016-7030.

Ravi Zalani, Manoj Anakapalli, P. Raju Mantena and Ahmed Al-Ostaz, 2006, "NDE of Adhesive Bonded Joints Using Vibration and EIS Techniques," ” ASME Early Career Technical Journal, Vol. 5, No. 1, 13.1-13.6.

A. Al-Ostaz, P. R. Mantena, M. Anakapali and S. J. Wang, 2007, "Evaluation of High Performance Pressure Sensitive Adhesives and VHB Acrylic Foam Tapes Bonded Aluminum Joints Subjected to Environmental Aging" ” J. Adhesion Sci. Technol. Vol. 21, No. 3-4, pp.339-361.

P. R. Mantena, A. Al-Ostaz , M. Anakapalli and S. J. Wang, 2007, "Vibration and Electrochemical Impedance Spectroscopy (EIS) Techniques for Characterizing Pressure Sensitive Adhesive Tape Bonded Aluminum Joints,"” Journal of Pressure Adhesive Tapes. Pressure Sensitive Tape Council

Ahmed Al-Ostaz, Ghanshyam Pal, P. Raju Mantena and Alex Cheng, 2007, "Molecular Dynamics Simulation of SWCNT - Polymer Nanocomposite and Its Constituents." ” Journal of Materials Science. Volume 43, Number 1.

Khalid Alzebdeh, Ahmed Al-Ostaz and Hunain Alkhateb. “In-Plane Progressive Damage in Random Matrix Inclusion Composites: Scale Effect," ” Engineering Analysis with Boundary Elements 32 (2008) 336–352.

Hunain Alkhateb, Ahmed Al-Ostaz and Khalid Alzebdeh. “ Stochastic Modeling of Progressive damage in Random Composites,” ” Composites: Part B 40 (2009) 7–16.

G. Wang, A. Al-Ostaz, A.H.-D. Cheng, and P. Raju Mantena, “Particle modeling of dynamic fracture simulations of a 2D polymeric material (nylon-6,6) subject to the impact of a rigid indenter,” ” Computational Materials Science 44 (2008) 449–463.

G. Wang, A. Al-Ostaz, A.H.-D. Cheng,and P.R. Mantena, “Hybrid lattice particle modeling: Theoretical considerations for a 2D elastic spring network for dynamic fracture simulations,” ” Computational Materials Science 44 (2009) 1126–1134.

P. Raju Mantena, Ahmed Al-Ostaz and Alexander H. D. Cheng “Dynamic Response and Simulations of nanoparticle-Enhanced Composites.” ” For Special Issue on ONR Sponsored Research by Dr. Yapa Rajapakse

Ahmed Al-Ostaz, Brian Tenkhoff, and Sarat Ponnapalli, “Deterioration of Bond between Repair materials and Concrete Due to Thermal Incompatibility.”  Journal of Materials in Civil Engineering. Accepted/ in press.

Swasti Gupta, P. Raju Mantena and Ahmed Al-Ostaz, “Dynamic Mechanical and Impact Property Correlation of Nanoclay and Graphite Platelet Reinforced Vinyl Ester Nanocomposites, “ Journal  of Reinforced Plastics and Composites.

Hunain Al-Khateeb, Ahmed Al-Ostaz, Raju Mantena and Alex Cheng,  Geometric and Simulation Parameter Effects on Elastic Moduli of Multi-Walled Carbon Nanotubes Using Molecular Dynamics Approach, Journal of Materials Science.  (Submitted).

Hunain Al-Khateeb, Ahmed Al-Ostaz, Raju Mantena and Alex Cheng, “Molecular Dynamics Simulations of Graphite –Vinylester Nanocomposite and Its Constituents,” Nanotechnology. (Submitted).

G. Wang, A. Al-Ostaz, A.H.-D. Cheng and P.R. Mantena, “Hybrid Lattice Particle Modeling of a Three-Layered Composite Retrofitting Structure to Reinforce Infrastructure during a Blasting Process,” Submitted to Journal of Performance of Constructed Facilities.

G. Wang, A. Al-Ostaz, A. H.-D. Cheng, and P.R. Mantena, “A Macroscopic-Level Hybrid Lattice Particle Modeling of Mode-I Crack Propagation in Ductile and Brittle Materials,” Computational Materials Science Journal. (Submitted).

Weidong Wu, Ahmed Al-Ostaz, Alexander Cheng and Chung Song, “ Properties of Portland Cement Major Constituents using Molecular Dynamic Simulations,” Concrete Research. (Submitted).

Weidong Wu, Ahmed Al-Ostaz, Alexander Cheng and Chung Song, “A molecular Dynamics and Poromechanics Study of the Mechanical Properties of Major Constituents of Hydrated Cement”. Cement and Concrete Composites. (Submitted).

Weidong Wu, Ahmed Al-Ostaz, Alexander Cheng and Chung Song, “Concrete as Hierarchical Structural Composite Material,” Journal of Materials in Civil Engineering. Submitted.

Chung R. Song, Hyungrae Cho, Young-Hoon Jung, Alexander, H.-D. Cheng and Ahmed, Alostaz, “Bridging Molecular, Particulate and Continuum Mechanics for Granular Geomaterials.” Journal of GEED-ASCE. Submitted.

Ahmed Al-Ostaz, Weidong Wu, Hunain Alkhateb, and Khalid Alzebdeh, “Joint Effect of Random Shape, Size and Distribution on Fracture of Random Composites.” Computational Materials Science. (Submitted).

Almagableh A., Mantena P.R., Al-Ostaz A., Liu W., Drzal T., “Effects of Bromination on the Viscoelastic response of vinylester nanocomposites,” EXPRESS Polymer Letters, 3(11), 2009, pp. 724-732.

Al-Ostaz A., Weidong W., Cheng, A., Chung S., “A Molecular Dynamics and Microporomechanics Study on the Mechanical Properties of Major Constituents of Hydrated Cement,” Journal of Composites: B, 41 (2010) 543-549.

Weidong W., Al-Ostaz A., Gladden J., Cheng, A., Li G., “Mechanical Properties Measurement of Hydrated Cement Paste USING Resonant Ultra Spectroscopy,” Journal of ASTM International, 7 (5), 2010.

Almagableh A., Mantena P.R., Al-Ostaz A., “Creep and Stress Relaxation Modeling of Nanoclay and Graphite Platelet Reinforced Vinylester Nanocomposites.,” Journal of Applied Polymer Science, 115 (3) 1635-1641, 2010.

Mantena P.R., Rajendran A.M. ., Al-Ostaz A., “Blast and Impact Resistant Composite Structures for Navy Ships,” The 2010 ONR Solid Mechanics Review at University of Maryland, 2010, Adelphi MD.

Wang G., Al-Ostaz A., Cheng, A., Mantena P.R., “Hybrid lattice particle modeling of wave propagation induced fracture of solids,” Computational Methods Appl. Mech. Engrg, 199,2009.

Weidong W., Al-Ostaz A., Cheng, A., Chung S., “Concrete as a Hierarchal Structural Composite Material,” International Journal of Multiscale Computational Engineering /a>(Accepted, in press). <

Irshidat M., Al-Ostaz A., Cheng A.H-D., Mullen C., “Nano-Particle Reinforced Polymer for Blast Protection of Unreinforced Masonry Wall:Laboratory Blast Load Simulation and Design Models,” ASCE Journal of Structural Engineering (Accepted).

Jang, Song, Kim, Cheng and Al-Ostaz (2010), “Erosion Study of New Orleans Levee Materials Subjected to Plunging Water",” Journal of Geotechnical and Geoenvironmental Engineering (Accepted).

Wang G., Al-Ostaz A., Cheng, A., Mantena P.R., “Hybrid Lattice Particle Modeling of a Three- Layered Composite Retrofitting Structure to Reinforce Infrastructure during a Blasting Process,” In preparation. Journal of Nano and Micromechanics (Submitted).

Kathryn M. Butler, Alexander H.-D. Cheng , Christopher Mullen and Ahmed Al-Ostaz , “Fire Characteristics of Steel Members Coated with Nano-Enhanced Polymers,” Journal of Fire and materials (Submitted).

Alexander H.-D. Cheng, Ahmed Al-Ostaz, Christopher Mullen, Christopher Rotenberry, Dan Kelley, James Brokaw, Joseph Smith, “Agent-Based Evacuation Simulation of Nanocomposite Reinforced Building Subject to IED Attack,” Journal of Homeland Security and Emergency Management (Submitted).

 

 

 Conferences      Top of Page

Alkhateb H., Al-Ostaz A., Cheng, A., “Mantena P.R., Molecular Dynamics Simulations of Graphite- Vinylester Nanocomposite and its Constituents,” First Joint Canadian & American Technical Conference ASC/CACSMA, 2009.

Al-Ostaz A., Mullen C., Cheng A.H-D., “Structures Subjected to Blast Loading: Protection, Stabilization and Repair,” DHS Aging Infrastructure Workshop, 2009, University of Columbia.

Al-Ostaz A., Cheng A.H-D., Mullen C., Chung S., “Aging Infrastructure Evaluation, Repair, Improvement, and Protection,” DHS Stabilization Workshop, 2009, ERDC, Vicksburg, MS.

Gupta S., Mantena P.R., Al-Ostaz A., Mullen C., “Shock Response and Finite Element Modeling of Nanoclay and Graphite Platelet Reinforced Vinylester Nanocomposites,” ASME Early Technical Conference, 2009 Tuscaloosa Alabama.

Almagableh A., Gupta S., Mantena P.R., “Dynamic Mechanical Analysis of Graphite Platelet and Nanoclay Reinforced Vinylester and MWCNT Reinforced Nylon6,” 6 Nanocomposites, SAMPE Conference, 2008 Memphis TN.

Mohammad Irshidat, Ahmed Al-Ostaz, Alexander Cheng, Christopher Mullen , “Blast Resistance of Unreinforced Masonry (URM) Walls Retrofitted With Nano Reinforced Elastomeric Materials,” The 2009 Structures Congress in Austin, TX.

P. Raju Mantena, Alexander H.D. Cheng and Ahmed Al-Ostaz, “ Blast and Impact Resistant Composite Structures for Navy Ships,” The2008 ONR Solid Mechanics Review at University of Maryland, Adelphi, MD. 17-18 September 2008.

G. Wang, A. Al-Ostaz, A.H.-D. Cheng, and P.R. Mantena, Particle Modeling for Blasting Simulations,” 23rd Technical Conference. September 9-11, 2008. Memphis, TN.

Ahmad Almagableh, Swasti Gupta, P. Raju Mantena, and Ahmed Al-Ostaz, “Dynamic Mechanical Analysis of Graphene Platelet and Nano Clay Reinforced Vinyl Ester, and MWCNT Reinforced Nylon 6,6 Nano Composites,” SAMPE 2008 Fall Conference, 8-11 September 2008, Memphis-TN.

Chung R. Song, Weidong Wu, and Ahmed Al-Ostaz , “Effects of Force Field in Molecular Mechanics Simulation of Geo-Materials, Geocongress 2008, New Orleans-LA.

Adel. M. Belal  and Ahmed Al-Ostaz, “Numerical Approach In Predicting The Penetration Of Limestone  Target By An Ogive-Nosed Projectile Using AUTODYN 3-D.” Twelfth International Colloquium on Structural and Geotechnical Engineering. Ain Shams University- Eygpt December 2007.

Adel. M. Belal  and Ahmed Al-Ostaz, “Numerical Analysis Of Vertical Side Wall Rock Tunnels Without Lining Subjected To Internal Blasting Loading Using AUTODYN.” Twelfth International Colloquium on Structural and Geotechnical Engineering. Ain Shams University- Eygpt December 2007.

P. Raju Mantena, Alexander Cheng and Ahmed Al-Ostaz. “Blast and Impact Resistant Composite Structures for Navy Ships" ONR Solid Mechanics Program on Marine Composites and Sandwich Structures. Adelphi- Maryland. September 2007.

P. Raju Mantena, Alexander Cheng and Ahmed Al-Ostaz “Dynamic Response and Simulations of Nanoparticle-Enhanced Composites” ONR Solid Mechanics Program on Marine Composites and Sandwich Structures. Adelphi- Maryland. September 2007.

Hunain Alkhateb, Ahmed Al-Ostaz and Khalid Alzebdeh. “Developing a Stochastic Model to Predict the Strength and Crack Path of Random Composites. ASC2007 22nd Annual Technical Conference of the American Society for Composites. Seattle, WA September 2007.

Ravi Zalani, P. Raju Mantena and Ahmed Al-Ostaz. ”Dynamic Characterization of Nylon 6,6 MWCNT Nano Composites.” ASC2007 22nd Annual Technical Conference of the American Society for Composites. Seattle, WA September 2007.

Ahmed H. Al-Ostaz, Alexander H.D. Cheng,  and Raju P. Mantena. “Dynamic Response and Molecular Simulations of Nano-Composites.” 16th International Conference on composite materials in Tokyo- Japan. July-2007.

Chung R. Song, Hyungrae Cho, Young-Hoon Jung, Alexander, H.-D. Cheng and Ahmed, Alostaz, “ Bridging Molecular, Particulate and Continuum Mechanics for Geomechanics Application.” GeoDenver 2007 Conference.

 

 

 Technical Reports      Top of Page

P. Raju Mantena, Ahmed Al-Ostaz and Alexander Cheng, “Dynamic Response and Simulations of Nanoparticle-Enhanced Composites.” Final Report submitted to ONR (15 November 2007). ”click here

Ahmed Al-Ostaz, “Effect of Moisture Content on Thermal Coefficient of Expansion of Concrete.” Final Report Submitted for Mississippi DOT (September 2007).click here

Ahmed Al-Ostaz,  “Inputs of Portland cement concrete parameters needed for the design of new and rehabilitated pavements in Mississippi.” Final Report Submitted for Mississippi DOT (September 2007).click here

- Ahmed Al-Ostaz, “Diagnostic Evaluation and Repair of Deteriorated Concrete Bridges.“ Final Report Submitted for Mississippi DOT (December 2004).click here

Ahmed Al-Ostaz, “Stochastic Modeling of Progressive Damage in Polymer Concrete Composites.” Final Report- Air Force Lab (April 2007)

Ahmed Al-Ostaz, “Durability of Bio Composites.” Final Report- NASA EPSCoR Research Infrastructure Grant (May 2006).Ahmed Al-Ostaz, “Diagnostic Evaluation and Repair of Deteriorated Concrete Bridges.” Final Report Submitted for Mississippi DOT (December 2004).click here

Ahmed Al-Ostaz, “Nanotechnology:  Modeling of Polymer-Carbon Nanotube Composites at Multiple Spatial and Time Scales.” Final Report-  Mississippi Space Grant Consortium (May-2006).

 

 

 

 Presentations      Top of Page

Ahmed Al-Ostaz, “Micromechanics of Structural Materials, with Emphasis on Composite Materials.” Ole Miss- NGSS Meeting. March 30th, 2005.

Ahmed Al-Ostaz, Diagnostic Evaluation and Repair of Bridges in Mississippi,” 2005 Spring Section Meeting of the American Society of Civil Engineers. Oxford- MS, April 21-22, 2005.

P. Raju Mantena, Ahmed Al-Ostaz and Alex Cheng, “ Dynamic Response of Aluminum Bonded Joints and Nanoparticle Reinforced Plastics using Electrochemical Impedance Spectroscopy (EIS) and Vibration Techniques” Fourteenth International Conference on Composite / Nano Engineering (ICCE - 14), Boulder, Colorado, USA July 2-8, 2006.

Ahmed Al-Ostaz “Inputs of Portland Cement Concrete Parameters Needed for  the Design of New and Rehabilitated Pavements in Mississippi” Implementation of the 2002 Design Guide for Mississippi DOT, Jackson- MS, August 30, 2006.

Ahmed Al-Ostaz “Inputs of Portland Cement Concrete Parameters Needed for  the Design of New and Rehabilitated Pavements in Mississippi” Transportation Research Workshop, Choctaw- MS, December 6-7, 2006.

Hunain Alkhateb and Ahmed Al-Ostaz, “Stochastic Modeling of Progressive Damage in Polymer Concrete.” Mid-South Area Engineering and Sciences Conference (MAESC), May 2007.

Ravi Zalani, P. R. Mantena and Ahmed Al-Ostaz, “Dynamic Modulus, Damping and Mode Shapes of   Multi-wall Carbon Nano Tube Reinforced Nylon 6, 6 Nano Composites” Mid-South Area Engineering and Sciences Conference (MAESC), May 2007.

Hunain Alkhateb, Ahmed Al Ostaz and Raju Mantena,  “Molecular Dynamic Simulations of Multi-wall Carbon Nano Tube Reinforced Nylon 6, 6 Nano Composites”  Mid-South Area Engineering and Sciences Conference (MAESC), May 2007