Imperial College London

ProfessorDavidNowell

Faculty of EngineeringDepartment of Mechanical Engineering

Chair in Machine Dynamics and Director of the VUTC
 
 
 
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Contact

 

+44 (0)20 7594 1458d.nowell Website

 
 
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Location

 

561City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

176 results found

Nowell D, 2010, Predicting the behaviour of frictional interfaces: a 'grand challenge' in mechanics, STRAIN, Vol: 46, Pages: 213-214, ISSN: 0039-2103

Journal article

Kartal ME, Hills DA, Nowell D, Barber JRet al., 2010, Torsional contact between elastically similar flat-ended cylinders, INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, Vol: 47, Pages: 1375-1380, ISSN: 0020-7683

Journal article

Nowell D, 2010, Simulation of Fretting Wear in Half-Plane Geometries-Part II: Analysis of the Transient Wear Problem Using Quadratic Programming, JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, Vol: 132, ISSN: 0742-4787

Journal article

Hills DA, Paynter RJH, Nowell D, 2010, The effect of wear on nucleation of cracks at the edge of an almost complete contact, WEAR, Vol: 268, Pages: 900-904, ISSN: 0043-1648

Journal article

Nowell D, de Matos PFP, 2010, Application of digital image correlation to the investigation of crack closure following overloads, 10th International Fatigue Conference, Publisher: ELSEVIER SCIENCE BV, Pages: 1035-1043, ISSN: 1877-7058

Conference paper

de Matos PFP, Nowell D, 2009, Experimental and numerical investigation of thickness effects in plasticity-induced fatigue crack closure, 7th International Conference on Fatigue Damage in Structural Materials, Publisher: ELSEVIER SCI LTD, Pages: 1795-1804, ISSN: 0142-1123

Conference paper

Hills DA, Nowell D, 2009, What features are needed in a fretting fatigue test?, TRIBOLOGY INTERNATIONAL, Vol: 42, Pages: 1316-1323, ISSN: 0301-679X

Journal article

Araujo JA, Nowell D, 2009, Mixed high low fretting fatigue of Ti6Al4V: Tests and modelling, TRIBOLOGY INTERNATIONAL, Vol: 42, Pages: 1276-1285, ISSN: 0301-679X

Journal article

Korsunsky AM, Regino GM, Nowell D, Karadge M, Grant B, Withers PJ, Preuss M, Baxter Get al., 2009, Inertia friction welds between nickel superalloy components: analysis of residual stress by eigenstrain distributions, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 44, Pages: 159-170, ISSN: 0309-3247

Journal article

Paynter R, Mahmoudi AH, Pavier MJ, Hills DA, Nowell D, Truman CE, Smith DJet al., 2009, Residual stress measurement by deep hole drilling and trepanning - analysis with distributed dislocations, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 44, Pages: 45-54, ISSN: 0309-3247

Journal article

Korsunsky AM, Song X, Belnoue J, Jun T, Hofmann F, De Matos PFP, Nowell D, Dini D, Aparicio-Blanco O, Walsh MJet al., 2009, Crack tip deformation fields and fatigue crack growth rates in Ti–6Al–4V☆, Pages: 1771-1779, ISSN: 0142-1123

In this paper we present an overview of experimental and modelling studies of fatigue crack growth rates in aerospace titanium alloy Ti-6Al-4V. We review work done on the subject since the 1980s to the present day, identifying test programmes and procedures and their results, as well as predictive approaches developed over this period. We then present the results of some of our recent experiments and simulations. Fatigue crack growth rates (FCGRs) under constant applied load were evaluated as a function of crack length, and the effect of overload (retardation) was considered. Crack opening was measured during cycling using digital image correlation, and residual stress intensity factor was determined using synchrotron X-ray diffraction mapping. Modelling techniques used for the prediction of FCGRs are then reviewed, and an approach based on the analysis of energy dissipation at the crack tip is proposed. Finally, directions for further research are identified.

Conference paper

de Matos PFP, Nowell D, 2008, The influence of the Poisson's ratio and corner point singularities in three-dimensional plasticity-induced fatigue crack closure: A numerical study, INTERNATIONAL JOURNAL OF FATIGUE, Vol: 30, Pages: 1930-1943, ISSN: 0142-1123

Journal article

De Matos PFP, Nowell D, 2008, Analytical and numerical modelling of plasticity-induced crack closure in cold-expanded holes, FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, Vol: 31, Pages: 488-503, ISSN: 8756-758X

Journal article

de Matos PFP, Nowell D, 2008, Numerical simulation of plasticity-induced fatigue crack closure with emphasis on the crack growth scheme: 2D and 3D analyses, ENGINEERING FRACTURE MECHANICS, Vol: 75, Pages: 2087-2114, ISSN: 0013-7944

Journal article

Fouvry S, Nowell D, Kubiak K, Hills DAet al., 2008, Prediction of fretting crack propagation based on a short crack methodology, ENGINEERING FRACTURE MECHANICS, Vol: 75, Pages: 1605-1622, ISSN: 0013-7944

Journal article

Qiu H, Hills DA, Nowell D, Dini Det al., 2008, Skew sliding of an elastic cylinder: An investigation of convection in contact, INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, Vol: 50, Pages: 293-298, ISSN: 0020-7403

Journal article

Huber JE, Nowell D, Hills DA, 2007, On the stress analysis of a wound coil with application to electromagnet manufacture, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 42, Pages: 447-460, ISSN: 0309-3247

Journal article

de Matos PFP, Nowell D, 2007, On the accurate assessment of crack opening and closing stresses in plasticity-induced fatigue crack closure problems, ENGINEERING FRACTURE MECHANICS, Vol: 74, Pages: 1579-1601, ISSN: 0013-7944

Journal article

Korsunsky AM, Regino GM, Nowell D, 2007, Variational eigenstrain analysis of residual stresses in a welded plate, INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, Vol: 44, Pages: 4574-4591, ISSN: 0020-7683

Journal article

Alizadeh H, Hills DA, de Matos PFP, Nowell D, Pavier MJ, Paynter RJ, Smith DJ, Simandjuntak Set al., 2007, A comparison of two and three-dimensional analyses of fatigue crack closure, INTERNATIONAL JOURNAL OF FATIGUE, Vol: 29, Pages: 222-231, ISSN: 0142-1123

Journal article

Oakley SY, Nowell D, 2007, Prediction of the combined high- and low-cycle fatigue performance of gas turbine blades after foreign object damage, INTERNATIONAL JOURNAL OF FATIGUE, Vol: 29, Pages: 69-80, ISSN: 0142-1123

Journal article

Nowell D, 2007, Techniques for experimental measurement of fatigue crack closure, 5th International Conference on Advances in Experimental Mechanics, Publisher: TRANS TECH PUBLICATIONS LTD, Pages: 3-9, ISSN: 1660-9336

Conference paper

Rajasekaran R, Nowell D, 2006, Fretting fatigue in dovetail blade roots: Experiment and analysis, 4th International Symposium on Fretting Fatique, Publisher: ELSEVIER SCI LTD, Pages: 1277-1285, ISSN: 0301-679X

Conference paper

Nowell D, Dini D, Hills DA, 2006, Recent developments in the understanding of fretting fatigue, 15th European Conference on Fracture, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: 207-222, ISSN: 0013-7944

Conference paper

Korsunsky AM, Regino GM, Nowell D, 2006, Residual stress reconstruction by variational eigenstrain procedures, 7th European Conference on Residual Stresses (ERCS 7), Publisher: TRANS TECH PUBLICATIONS LTD, Pages: 241-246, ISSN: 0255-5476

Conference paper

Dini D, Nowell D, Korsunsky AM, 2005, Size and scale effects in fretting fatigue thresholds, 11th International Conference on Fracture 2005, ICF11, Vol: 4, Pages: 2522-2527

Components subject to fretting experience a peculiar combination of loading conditions, where contact and classical fatigue interact intricately to produce failure. As a consequence, the prediction of fretting fatigue limit curves poses a challenge, in part due to the large number of parameters governing the phenomenon. This poses an obstacle to formulating efficient predictive approaches. We demonstrate that these difficulties can be overcome successfully by means of a combination of experimental and computational approaches. Our analysis relies on various experimental data from Hertzian and 'flat and rounded' contact pad specimens and different calculation procedures developed previously, which resulted in fretting threshold curves for specific loading conditions. The derivation of such thresholds is however rather lengthy, so that for the purposes of formulating design rules a more efficient 'master curve' approach is proposed. This paper presents comprehensive results on the application of an efficient and concise functional description of the fretting fatigue threshold curves based on the use of a 'multi-scaling power law'. The predictions encompass all of the results obtained for different loading conditions by the stress-based approach and by short crack arrest methodology.

Journal article

Fellows LJ, Nowell D, 2005, Measurement of crack closure after the application of an overload cycle, using moire interferometry, 5th International Conference on Fatigue Damage in Structural Materials, Publisher: ELSEVIER SCI LTD, Pages: 1453-1462, ISSN: 0142-1123

Conference paper

Paynter RJH, Nowell D, 2005, Improved influence functions for uniform triangular dislocation density functions, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 40, Pages: 729-733, ISSN: 0309-3247

Journal article

Dini D, Nowell D, Korsunsky AM, 2005, Size and scale effects in fretting fatigue thresholds, INTERNATIONAL JOURNAL OF FRACTURE, Vol: 135, Pages: L11-L18, ISSN: 0376-9429

Journal article

Rajasekaran R, Nowell D, 2005, On the finite element analysis of contacting bodies using submodelling, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 40, Pages: 95-106, ISSN: 0309-3247

Journal article

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