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Sphere impact experiments are used to calibrate and validate ceramic models that include statistical variability and/or scale effects in strength and toughness parameters. These dynamic experiments supplement traditional characterization experiments such as tension, triaxial compression, Brazilian, and plate impact, which are commonly used for ceramic model(More)
Traditional project management (PM) privileges planning and downplays the role of learning even in more complex projects. In contrast, this paper draws inspiration from two organisations that were found to have developed complex PM expertise as a form of complex problem solving (CPS), a practice with implicit learning because complex projects are unable to(More)
Software development is a complex socio-technical activity, with the result that software development organisations need to establish and maintain robust software development processes. While much debate exists regarding the effectiveness of various software development approaches, no single approach is perfectly suited to all settings and no setting is(More)
Because of the reaction of cosmic rays with elements in minerals, chlorine-36 accumulates in rocks exposed at the earth's surface. This suggests that the ratio of chlorine-36 to stable chloride can be used as a geochronometer. Reasonable agreement has been obtained between measurements of chlorine-36 in volcanic rocks of known age and calculations of(More)
The research literature informs us that a software development process should be appropriate to its software development context but there is an absence of explicit guidance on how to achieve the harmonization of a development process with the corresponding situational context. Whilst this notion of harmonization may be intuitively appealing, in this paper(More)
The capability of the generalized interpolation material point (GIMP) method in simulation of penetration events is investigated. A series of experiments was performed wherein a shaped charge jet penetrates into a stack of aluminum plates. Electronic switches were used to measure the penetration time history. Flash x-ray techniques were used to measure the(More)
In the quest to understand damage and failure of ceramics in ballistic events, simplified experiments have been developed to benchmark behavior. One such experiment is known as edge on impact (EOI). In this experiment, an impactor strikes the edge of a thin square plate, and damage and cracking that occur on the free surface are captured in real time with(More)
In contrast to traditional projects, which are assumed to be fully specified and then executed with little learning anticipated, complex projects cannot be fully specified at the outset and require continuous learning over their life cycles. Nevertheless, the key role of knowledge formation and learning in managing complex projects is under-developed for(More)
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