NUMERICAL STABILITY OF MASS LUMPING SCHEMES FOR ...

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Mass matrix lumpingRow sum and Hinton-Rock-Zienkiewicz methods used.21.81.6linearquadraticcc l1.41.210.80.60.4consistentmass matrix0.2lumpedmass matrix00 0.1 0.2 0.3 0.4 0.5H / λSimilar performance—advantage lost.
1: No service related investments are mentioned in the annual report2: A company made some operating investments (e.g. new software program to better help thecustomers) or got involved in operational service partnerships or agreements3: A company expanded its service network or restructured its organizational structure in order toprovide more or better services to its customers3: A company started a strategic joint venture that concerns services4: A company made a service-related acquisition (e.g. acquired another firm that has bothproduct and service offering)5: A company made one service acquisition or several service-related acquisitions5: A company formed a separate service divisionThe distinction should be made between the proof of investment and intent to invest: while in thecase of the former we can find some tangible evidence of the investments, in case of the latter weare just encountering declarations in form of promises. We would take a claim of investment intoaccount for „Service investments‟ variable only if the proof of investment has been provided.This notion is as important for the interpretation of the variables, as it is necessary for theappropriate treatment of the sources we have. Given that in annual reports, firms hope to presentthemselves optimally to the stakeholders, we need to make a clear distinction between what is aproof and what is an unproven statement (David, 2001).“Service completeness” describes the depth of a firm‟s involvement with clients and the scopeof client‟s service needs that manufacturer is prepared to cover. Service completeness is used tograde manufacturers according to their value proposition and inclusiveness of their service14
Page 2 and 3: Contents• Finite element dispersi
Page 4: Finite element method• Belytschko
Page 7: frequency ωH/c 1 =0.5
Page 11 and 12: Contents• Finite element dispersi
Page 16 and 17: Optimum mass distribution(central d
Page 18 and 19: Numerical stability• Fried, I.: D
Page 20: Conclusions• Threshold values of

NUMERICAL STABILITY OF MASS LUMPING SCHEMES FOR ...

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