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We present a discrete element model for simulating, at the grain scale, gas migration in brine-saturated deformable media. We rigorously account for the presence of two fluids in the pore space by incorporating forces on grains due to pore fluid pressures, and surface tension between fluids. This model, which couples multiphase fluid flow with sediment mechanics, permits investigating the upwar...

Bronization and carburization of fine-grain superplastic stainless steel is reviewed, and new experimental results for fine grain Ti88.5Al4.5V₃Fe₂Mo₂ are reported. In superplastic duplex stainless steel, the diffusion of carbon and boron is faster than in non-superplastic duplex stainless steel. Further, diffusion is activated by uniaxial compressive stress. Moreover, non-superplastic duplex st...

Sediment geoacoustic inversion results are estimated employing a multi-beam (MB) echo-sounding system operable at 95 kHz. To characterize the western continental shelf of India (off Goa) seafloor, MB backscatter signals were acquired along with grab sediment samples. The substrate type and roughness of the site were estimated using the composite roughness scattering model with the measured back...

Data-parallel programming languages have many desirable features, such as deterministic semantics and the ability to express large amounts of fine-grained parallelism. However, it is challenging to implement such languages efficiently on conventional MIMD multiprocessors, because these machines incur a high overhead for such small grain sizes. This paper presents analysis techniques for data-pa...

Flowering time is a key agronomic trait that plays an important role in crop yield. There is growing interest in dissecting the developmental subphases of flowering to better understand and fine-tune plant development and maximize yield. To do this, we used the wild barley nested association mapping (NAM) population HEB-25, comprising 1420 BC1S3 lines, to map quantitative trait loci (QTLs) cont...

In April 2007, FUJIFILM introduced ETERNA-RDI for digital intermediate. It is the first film stock in the world, designed specially for use in the digital intermediate workflow. ETERNA-RDI offers a significant improvement over conventional non-specific intermediate film stock, producing fine detail and accurate color from digital image data. New silver halide grain technology prevents spectral ...

For exploiting the power of supercomputers like the HLRB-II cluster, developing parallel algorithms becomes increasingly important. The matrix prefix problem belongs to a class of issues lending themselves for parallelisation. We compare the tree-based parallel prefix scheme, which is adapted from a recursive approach, with a sequential multiplication scheme where only the individual matrix mul...